Hidden Desire Extreme Inflatable Ribbed Plug Expert: review

Hidden Desire Extreme Inflatable Ribbed Plug Expert at a glance

Hidden Desire Extreme Inflatable Ribbed Plug Expert is the largest model in the range of inflatable anal plugs that the brand Hidden Desire sells under the sub-brand Extreme. The construction is simple and entirely mechanical: a ribbed silicone plug with a base flange, a hose, and a hand-pump style pump bulb with a quick-release valve. No electronics, no battery, no motor. The size is what makes the manufacturer’s case.

The manufacturer’s own specification states an insertable length of 28 to 38 centimeters and an insertable diameter of 5.5 to 6.5 centimeters. The material is listed as silicone. The weight per unit is given as 0.18 kilos, the packaging is a carton of 38.5 × 9.5 × 6.5 centimeters, and the country of origin is China. The recommended consumer price is 64.99 euros. In Sweden, the item is sold by six shops at prices between 379 and 582 SEK, and five of them had it in stock at the price check.

This review is exclusively about the black variant with EAN 8713221835260, the manufacturer’s item number 16857-BLACK, and model number 16857. It’s worth checking the number, because the series contains several models with similar-sounding names, and because Swedish shops rebrand them: the same article is sold here as "Extreme Inflatable Ribbed Plug 38 cm", as "Inflatable Ribbed Plug Expert", and as "Hidden Desire: Extreme Inflatable Ribbed Plug, Expert". There are three names for the same barcode.

The Hidden Desire brand is owned and developed by Scala 2.0 BV in the Netherlands—the same company behind ToyJoy, Taboom, Xocoon, and Playhouse. That’s where the first-hand information in this text comes from, and that’s also why all EAN numbers in this product family start with 8713221.

How does an inflatable anal plug work?

The principle differs from a regular anal plug in one crucial respect: the size at the point of insertion and the size during use are not the same. The plug is inserted in the deflated position, where, according to the manufacturer, it measures 5.5 centimeters in diameter and 28 centimeters in insertion length. After that, it is inflated with the hand pump until it reaches the stated maximum position of 6.5 centimeters in diameter and 38 centimeters in length. The air is kept in place by a check valve in the pump and released through the quick-release valve.

What makes the construction interesting from a technical standpoint is that it moves the difficult part. On a fixed plug, the widest section is the one that must pass first. On an inflatable plug, the narrowest version passes first, and expansion happens afterward, once the plug is already in place. That is also the whole reason this product class exists: it makes it possible to reach a final size that could not be inserted directly.

The downside of the same design is equally fundamental. An inflated plug is harder to remove than a fixed one, and the only way back is through the valve. If the valve does not work, the product stays in the inflated position. That explains why the manufacturer places such great emphasis on this specific detail in its own product text, and why the valve function is what should be checked before each use rather than something that is checked once when unpacking.

Starter, Advance, or Expert — which Hidden Desire is which?

The Extreme series includes several inflatable plugs that are sold in parallel in the same Swedish stores, often with nearly identical pictures. The manufacturer’s own measurements make the difference clear:

• Inflatable Smooth Plug Starter (article 16851) — 10.5 to 14.5 centimeters insertion length, diameter 3 to 5.5 centimeters, smooth surface. The entry-level model in the series, from 212 SEK.
• Inflatable Ribbed Plug Advance (article 16855) — 18.5 to 23 centimeters, diameter 4 to 5.5 centimeters, the same ribbed surface as Expert. From 293 SEK.
• Inflatable Ribbed Plug Expert (article 16857) — the model this text is about. 28 to 38 centimeters, diameter 5.5 to 6.5 centimeters. From 379 SEK.
• Inflatable Suction Plug Expert (article 16856) — 17 to 22.5 centimeters, diameter 4.5 to 6 centimeters, but with a suction cup at the bottom. It carries the name Expert despite being significantly shorter. From 419 SEK.

The conclusion from the table is worth highlighting, because it is not evident from the product names: the size designation does not follow a single scale. Just because a model is called Expert doesn’t mean it’s the largest — the Suction Plug Expert is shorter than the Ribbed Plug Advance, which is called Advance. It’s the length measurement, not the name, that should guide your purchase.

Dimensions: 28 to 38 centimeters and Ø 5.5 to 6.5 centimeters

The measurements are for the entire product here, and they deserve more space than usual because the sources don’t agree. The manufacturer lists them in two independent places that both say the same thing: in the spec table on the product page, the insertable length is 28–38 centimeters and the insertable diameter is 5.5–6.5 centimeters, and in the product gallery’s dimension illustration, the same figures are shown with measurement arrows pointing to the plug’s silhouette — max Ø 6.5 cm, min Ø 5.5 cm, max 38 cm, and min 28 cm.

Diameter disagreement: 6.5 centimeters or 9 centimeters?

Four of the six Swedish stores list a completely different diameter than the manufacturer. Blush Me writes 9.00 centimeters in its feature box and "diameter 9 cm (varies between 6–9 cm)" in the body text. SexleksakerOutlet has exactly the same wording. Joyland states that the maximum diameter in the inflated position is 9 centimeters. Vuxen writes 9 centimeters in the body text but 8 centimeters in its own quick-facts box on the same page — so the store contradicts itself.

Vuxenkul is the only one of the six that matches the manufacturer: the store lists a diameter of 5.5 and 6.5 centimeters, as well as a length of 28 and 38 centimeters. The Dutch retailer Le Femme lists "6.9 cm" as a single number, which looks like an interval that has been collapsed into a single decimal digit somewhere in a product pipeline.

The manufacturer’s information applies: 5.5 to 6.5 centimeters for the insertable diameter. The difference from the stores’ 9 centimeters isn’t rounding off—it’s almost 40 percent, and in practice it corresponds to two completely different products. What can be established is that the manufacturer presents its figures twice, in two different ways, with the same result, while the four stores all reproduce the same text—presumably an older marketing text that was carried forward through the product pipelines. Assume 6.5 centimeters as the maximum diameter and treat 9 centimeters as a numerical value with no supporting coverage from the manufacturer.

What 28 to 38 centimeters actually means

The length measurement is what the manufacturer calls insertable length, while the Swedish stores call the same figure total length. It’s not a small difference in a product category where the base section is often left out. The manufacturer’s dimension illustration draws the arrow from the tip down to the bottom flange—i.e., over the entire silicone body. The hose and the pump bulb are outside the measurement, and the manufacturer publishes no measurement at all for the hose length.

That the length increases by ten centimeters when inflated is unusual in itself. In most inflatable plugs, width increases first and foremost. Here, both increase: the length by 36 percent and the diameter by 18 percent, based on the manufacturer’s own extreme positions. That explains the shape in the manufacturer’s dimension illustration, where the inflated outline sits like a double, both outside and above the deflated plug.

A practical conversion that’s easy to do yourself but that no store does: the circumference at the widest part goes from about 17.3 centimeters in the deflated position to about 20.4 centimeters in the inflated position, calculated as the diameter times pi. Circumference is often a more useful measure than diameter when you’re comparing against something you already own.

Does the stamp “200 % expansion” match up?

The packaging has a round stamp with the text 200 % expansion, and the same claim is repeated in the marketing for the entire Extreme series. It’s actually possible to check against the manufacturer’s own measurements, and the answer is that the number is reasonable if you read it as volume and as “up to 200 percent,” not as “plus 200 percent.”

The calculation looks like this. The cross-sectional area grows with the square of the diameter increase: (6.5 ÷ 5.5) squared becomes about 1.40. The length grows with 38 ÷ 28, i.e. about 1.36. Multiplied, the volume increase is roughly 1.9 times—just under a doubling. It’s close to a stamp that says 200 percent, but nowhere near a reading where the volume would be three times as large.

The point of the calculation exercise isn’t to call out the manufacturer; it’s to show what the number means: the plug becomes just under twice as large in volume, not three times. What can be stated is that the manufacturer’s measurements and the manufacturer’s stamp are connected, which is more than you can say about the stores’ diameter information.

Material and build quality

The material issue is the only characteristic of an intimate product that can’t be compensated for through experience or care, and on an inflatable product it weighs even more, because the material has to be able to withstand stretching and then return again and again without cracking.

What 100 percent silicone means — and what the manufacturer doesn’t break down

The manufacturer lists a single material in the spec table: silicone. In the product text, this is specified as “100% pure silicone,” and the packaging bears the label 100% soft-silicone. Silicone is a pore-free material, and a pore-free surface can be cleaned because there aren’t any microscopic voids where residues can remain. That’s the single most important material property for something that has to lie against mucous membrane.

But there’s a gap worth pointing out here, and it becomes clear only when you compare with another product in the same catalog. The manufacturer does not break down the materials by component for this article. For CalExotics Large Silicone Inflatable Plug, which is sold through the same wholesaler, the material is broken down instead: silicone in the plug, hose, and pump bulb, ABS in the venting valves. The fact that this breakdown is missing here doesn’t mean the valve is made of silicone—the manufacturer’s own product images clearly show a hard, dark valve body where the hose meets the pump bulb, and that part doesn’t look like silicone. It only means that the information isn’t published.

It matters in two practical ways. The valve housing is the part that is most likely to break, and it’s also the part that determines whether the product can be boiled or machine-washed. Without a material specification, neither of those questions can be answered from the specification.

Phthalates, PVC, and latex — why the declaration is important

Phthalates are a group of plasticizers used to make plastic—especially flexible PVC—pliable. The Swedish Chemicals Agency (Kemikalieinspektionen) describes them as substances that can affect the endocrine system and make reproduction harder, and several of them are therefore restricted or prohibited within the EU in a large number of products. This product category is repeatedly the subject of monitoring because it contains flexible plastic against the skin and mucous membranes.

Silicone doesn’t need phthalate plasticizers to become soft—the softness comes from the polymer’s own structure. That the manufacturer lists silicone as the material is therefore, in itself, a better sign than labels like TPE, jelly rubber, or just "PVC", which says nothing at all about which plasticizers are included. However, the manufacturer does not state any explicit declaration that the product is free from phthalates, BPA, or latex, and you therefore shouldn’t attribute that promise to the brand.

The latex issue, on the other hand, is determined by the material choice itself, and it’s relevant here. In the same catalog, you’ll find the CalExotics COLT Inflatable Butt Plug, an inflatable plug whose material is listed as latex. A latex allergy causes reactions on the mucous membrane faster than on normal skin, so an inflatable latex product is a completely different matter than one made of silicone for someone who is allergic. That the Hidden Desire model is silicone rather than latex is a concrete argument that applies regardless of size.

Weight, packaging, and origin

The manufacturer lists the weight per unit as 0.18 kilograms, i.e. 180 grams. None of the six Swedish shops publishes any weight at all, which is typical for this category. 180 grams is light for a product of this length, and the explanation is that the plug is hollow—it's precisely the cavity that’s supposed to be filled with air.

The packaging is listed as a cardboard box measuring 38.5 × 9.5 × 6.5 centimeters, and that information is confirmed independently by the Dutch retailer Le Femme, which lists exactly the same measurements. The box’s length of 38.5 centimeters is, in practice, a reference point for the length measurement: the product in its deflated position has to fit inside it, and it does.

The country of origin is listed as China. The manufacturer’s packaging image shows a sales carton with printing that has no windows, hanging holes, and the product image printed on the front, plus maximum and minimum dimensions printed on the side panel. In practice, that means the measurements are shown on the packaging even if the shop gets the measurements wrong on its own page—but of course that only helps once the package is already lying on the kitchen table.

The pump, the valve, and how the product is controlled

The interface consists of two parts: a pump bulb that you squeeze to fill it with air, and a valve that releases it. Joyland lists the control as “vibrating: no,” and Vuxenkul as “manual/hand-controlled,” which is exactly what it is. There’s nothing to charge, nothing to pair up, and no app.

The manufacturer’s own product images show the entire set: a tapered tip, a ribbed body with six clear ribs, a narrower neck section, and a round base flange, and from the underside of the flange a hose that runs to a teardrop-shaped pump bulb with a valve housing just below the bulb. It’s a proven design that is basically the same as on a blood pressure cuff, and it has the same two benefits: it’s cheap and it rarely breaks.

Quick-release valve — the most important detail

The manufacturer describes the product as equipped with a quick-release valve for safety and comfort, and that’s the wording that deserves the most attention in the entire product text. The difference between a quick-release valve and a regular screw valve is the time it takes to empty the product. A screw valve requires you to find and turn a small part; a quick-release is a push.

Vuxenkul states the consequence plainly in its Swedish product text: a quick press on the valve button and the pressure disappears in an instant. What can be concluded is that the valve is the only way back from the inflated position, and that’s why it should be tested in an empty state before using the product—pump it up on the table, press the valve, and see that it empties itself. It takes ten seconds and it’s the only functional test that matters for this product.

The base and the flange — what the manufacturer’s images show

The manufacturer’s product images show a round, flat base flange that sits clearly wider than the neck section above it. A flange of that kind has a specific function on an anal product: it should prevent the product from sliding in completely. It’s the most important construction detail on any anal toy, and it’s included here.

The manufacturer does not publish any measurements for the flange diameter, so it can’t be compared in numbers with other plugs. What can be compared is the principle versus the sister model: Inflatable Suction Plug Expert has, according to the manufacturer, a suction cup at the bottom, meaning a base that can also be attached to a surface. Ribbed Plug Expert does not. If you want hands-free attachment, you should buy the other model.

The manufacturer’s own warning, word for word

The product page includes a disclaimer that is unusually clear for the category. The manufacturer states that the product must not be inflated beyond the specified maximum width and maximum height, because it damages the product, and that contact with sharp objects should be avoided. So it is the 6.5 centimeters and the 38 centimeters that set the limit—not how long the pump bulb can keep it inflated.

Vuxenkul repeats the same warning in Swedish and adds two things that are worth noting: that too much pressure can damage both the product and the user, and that the plug should be checked before every use to ensure that everything is in good condition. It’s the store’s wording, not the manufacturer’s, but it’s reasonable and points to the right thing—a silicone product that is stretched repeatedly is a wear part, and cracks occur at the seams long before they show on the surface.

Two things that the manufacturer does not publish belong in the same paragraph. There is no recommended maximum time for the product to be left inflated, and there is no instruction manual or PDF manual for the item. For natural reasons, the category also lacks electrical safety certificates—the product is completely mechanical and is not covered by any EU declaration of conformity for electrical equipment.

Lubricant: only water-based

Joyland states in its specification box that it recommends a water-based lubricant, and that is the right advice for one reason that applies to all silicone. Silicone-based lubricant breaks down the silicone surface over time and makes it porous. A porous surface can no longer be cleaned properly—only replaced—and on an inflatable product the consequences are worse than on a fixed one: micro-damage to a surface that is meant to stretch becomes a starting point for cracks.

Oil-based products like coconut oil also leave behind a film that is difficult to remove and that attracts dirt. With a product this length, you need significantly more lubricant than with a regular plug, which in itself is an argument for choosing a large bottle of water-based lubricant rather than a small tube of something else.

Cleaning and storage of an inflatable plug

Cleaning is the point where inflatable plugs differ the most from fixed ones, and it deserves its own section because neither the manufacturer nor the Swedish stores write anything at all about it.

The problem with the sealed air chamber

The plug’s interior is a sealed cavity connected to the outside world through a thin hose. That means two things. First, the inside cannot be cleaned—there is no way in. Second, no liquid may get into the hose, because if it does, it ends up in a space that cannot be rinsed or dried.

That means the cleaning should focus on the outside, and that the valve and the hose end should be kept above the water surface rather than submerged. The ridges on the body are the area where residue actually sticks—six clear tracks around the entire circumference are six places where a quick rinse isn’t enough. Use lukewarm water and fragrance-free soap or a cleaning product intended for intimate products, go through each track, and let the product air-dry completely before putting it away.

Storage should be done in the deflated position. Silicone that is stored stretched out keeps its tension, and a product that sits inflated in a box for months will have a different output size when you take it out. The manufacturer publishes no storage instructions, but the design provides the answer by itself.

Can it handle water? No ingress protection class is published.

The manufacturer publishes no IP class and no information about water resistance for this article, and none of the six stores do either. That in itself is logical: ingress protection classes under IEC 60529 apply to electrical equipment, and this product contains no electronics that could be harmed by water.

That, however, does not mean the product can be treated however you want in water. What can be established without guessing is that the silicone body tolerates water on the outside, but the sealed air chamber does not. The absence of a rating should therefore not be read as permission to submerge it—it should be read as meaning that the question is not answered, and that the hose and the valve are the parts that determine the answer.

The manufacturer also does not publish any temperature limit for the material, which means that boiling and machine washing can’t be recommended here—not because there is a known prohibition, but because the valve housing material is not disclosed and therefore can’t be assessed.

Hidden Desire Ribbed Plug Expert compared with the alternatives

Four comparisons are relevant: two versus the brand’s own sister models and two versus CalExotics’ inflatable plugs, which are sold through the same wholesaler and are therefore shown in exactly the same format. All the measurements below come from the manufacturer’s own specifications, and all the prices are from the stores’ product feeds on July 29, 2026.

Hidden Desire Inflatable Ribbed Plug Advance — 86 SEK apart

Advance is the same product in a smaller format: the same ribbed surface, the same silicone, the same pump bulb with a quick-release valve, the same manufacturer. The difference lies only in the dimensions. Advance measures 18.5 to 23 centimeters in insertable length versus Expert 28 to 38, and 4 to 5.5 centimeters in diameter versus Expert 5.5 to 6.5. The weight differs by 20 grams, 0.16 versus 0.18 kilograms.

The price difference is 86 SEK: Advance from 293 SEK versus Expert from 379. That’s unusually little for a model that’s fifteen centimeters shorter. What you can conclude is that Advance in its retracted position is narrower than what Expert is in its tömda position — 4 versus 5.5 centimeters — and that Expert therefore not only has a higher ceiling but also a higher floor. That’s the decisive difference for anyone who’s unsure: Expert starts where Advance ends.

The conclusion is simple. If you’re unsure whether the format suits you, 86 SEK saved is a weak argument—then Advance, or for that matter Smooth Plug Starter for 212 SEK with its 3 to 5.5 centimeters, is what you can actually try. If you already know that Advance is too small, then Expert is the next step, and there’s nothing in between in the lineup.

Against Hidden Desire Inflatable Suction Plug Expert — suction cup vs length

The two share the same size designation and the same recommended price of 64.99 euro, but they’re different products. Suction Plug Expert measures 17 to 22.5 centimeters in insertable length and 4.5 to 6 centimeters in diameter, so it’s both shorter and narrower, but according to the manufacturer it has a suction cup at the bottom. Ribbed Plug Expert has a flange without a suction cup.

In Swedish retail, Suction Plug Expert costs from 419 SEK versus Ribbed Plug Expert 379—so the smaller model is 40 SEK more expensive, which says something about what the suction cup is valued at. If you choose based on length, Ribbed wins. If you choose based on hands-free use, Suction wins, because a flange without a suction cup won’t stick to any surface.

Against CalExotics Large Silicone Inflatable Plug — better documented, much smaller

CalExotics Large Silicone Inflatable Plug is interesting specifically because it’s shown in the same catalog and therefore can be compared line by line. It measures 13.25 centimeters in both total and insertable length and 3.75 centimeters in diameter, has a suction cup, and weighs 0.17 kilos. Despite the name, it’s therefore smaller than even Smooth Plug Starter in length.

What the CalExotics model does better is the documentation. The material is listed separately by part — silicone in the plug, hose, and pump bulb, and ABS in the vent valves — while Hidden Desire only uses the word silicone. That’s a real advantage for anyone who wants to know what the valve is made of, and it also shows that this kind of breakdown is fully possible to publish. In Sweden, the CalExotics model costs from 369 SEK, i.e. ten kronor less than Hidden Desire Expert for a product that’s just under a third as long.

Against CalExotics COLT Inflatable Butt Plug — silicone vs latex

COLT Inflatable Butt Plug measures 16.5 centimeters and 5 centimeters in diameter and costs from 295 SEK. The decisive difference lies in the material: latex, not silicone. The weight of 0.35 kilograms is also almost twice as high as the Hidden Desire model’s 0.18 kilograms, even though the product is less than half as long, which says something about the wall thickness.

For anyone who is allergic to latex, the choice is therefore settled before the measurements even come up. For everyone else, it’s a trade-off between price and material: latex is cheaper and stretches more, silicone is non-porous and can handle more cleaning agents. What can be established is that the Hidden Desire model is silicone, and that information comes from the manufacturer itself.

Price range: 379 to 582 SEK and five stores with stock

Six Swedish stores sell the item with EAN 8713221835260. The cheapest are Blush Me and SexleksakerOutlet, both at 379 SEK. Next is Vuxen at 389 SEK, Vuxenkul at 419, and Joyland at 421. The most expensive is Sexonic at 582 SEK. It’s 203 SEK, or a 54 percent difference between the cheapest and the most expensive store for exactly the same barcode and the same package.

The stock situation is unusually good for the category. Five of the six stores had the product in stock at the price check — only the most expensive one, Sexonic, lacked it. The difference between the cheapest and the most expensive available store is therefore 42 SEK, not 203. It’s a considerably more even price range than for electronic products in the same price bracket, and it’s probably because the wholesaler is the same for all stores.

The manufacturer’s suggested retail price is 64.99 euro. All Swedish prices are clearly below that level, which is normal for Swedish retail with this catalog, and it’s also reflected in the fact that four of the stores list a higher regular price in their own feeds.

The prices in the table above are updated when the stores’ product feeds are updated, but always check the final price at checkout. Shipping costs are added by most stores under a certain order value, and in this price range several are under the free-shipping threshold—Joyland, for example, shows shipping in its feed, and Sexonic lists 98 SEK. It can shift the order among the cheapest options.

Who is it for—and who isn’t it for?

It’s a fit for you if you already use inflatable plugs and know that the format works, and if you want a model where the manufacturer actually states both the minimum and maximum measurements in two dimensions. It’s for you if you want silicone rather than latex, if you want a ridged surface rather than a smooth one, and if you don’t have any use for a suction cup. That the product is completely mechanical is an advantage in this context: there’s no battery that can die and no charging cable to misplace.

It doesn’t fit you if you’re a beginner. The manufacturer’s own minimum of 5.5 centimeters in diameter and 28 centimeters in length lies above the upper limit for the series’ entry-level model, and that is the series’ explicit selling point — that’s why it’s called Expert. It also doesn’t fit you if you want to be able to attach the product to a surface, you need a published material breakdown for the valve, or you rely on a manufacturer warranty, because no such thing is published.

One more thing belongs in the decision. This product is the only one in the series where the stores’ measurements differ significantly from the manufacturer’s. If you buy based on the store text "diameter 9 cm", you will get a product whose maximum diameter according to the manufacturer is 6.5 centimeters. For some it’s a disappointment and for others it’s a relief, but in both cases it’s a reason to read the manufacturer’s figures before you click to order it.

Warranty, complaints, and the right of withdrawal

The manufacturer does not publish any warranty period for this item. Neither the product page nor any of the six Swedish stores states a voluntary manufacturer warranty, and that’s consistent across the entire Extreme series. It’s not unusual in this part of the category, but it means that you’re limited to your statutory rights.

In return, these rights are stronger than many think. Under the konsumentköplagen, you have a three-year right to complain about defects in the goods, regardless of what the manufacturer promises or doesn’t promise. A valve housing that isn’t airtight from the start, or a silicone body that cracks during normal use within the warranty period, are examples of original defects rather than wear and tear — and the burden of proof lies with the seller during the first period after the purchase.

When buying at a distance, you also have a 14-day right of withdrawal under the lagen om distansavtal och avtal utanför affärslokaler. Be aware that, in practice, the right of withdrawal is limited for hygiene products that have been taken out of a sealed package — the right to complain about defects, on the other hand, always applies. If you have questions about what applies in your case, Konsumentverket guides you via Hallå konsument.

A practical tip that follows from the absence of warranty: save the box and the receipt, and do the valve test the first time you unpack the product rather than the first time you’re going to use it. If you discover the fault in the living room, it’s a complaint. If you discover it later, it’s a discussion.