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Expandable Silicone Inflatable Butt Plug

$74.99
$74.99

California Exotics Expandable Silicone Inflatable Butt Plug grows from compact 3-inch size to your perfect dimensions through precise inflation control. Premium body-safe silicone construction with quick-release valve ensures safe anal exploration and prostate stimulation for all experience levels.

Key Features:

Inflatable butt plug expands from 3 inches length and 2 inches diameter through precision air pump system for customizable anal penetration and progressive stretching sensations during intimate play sessions.

Body safe phthalate free silicone construction with flanged base ensures secure anal insertion while quick release valve provides immediate deflation control for safety during anal stimulation and masturbation.

Detachable hose mechanism allows convenient inflation control and discreet storage while medical grade materials deliver comfortable anal penetration with gradual expansion for enhanced prostate stimulation experiences.

Expandable design accommodates different experience levels for anal play by allowing users to control penetration depth and width through inflation system for personalized anus stretching and stimulation.

Premium silicone surface provides smooth anal insertion while inflation capability creates filling sensations and prostate pressure for intense orgasmic experiences during solo or partnered anal play sessions.

SKU: NEW-3367
Availability: In stock
Product type: Butt Plugs
Please hurry! Only 7 left in stock
Colour: Black

Start small and expand to your exact comfort level with California Exotics' inflatable butt plug. Customisable air pressure lets you control fullness and prostate contact without buying multiple sizes, making it ideal for beginners and experienced users alike.

Why choose the Expandable Silicone Inflatable Butt Plug
  • Customisable size: Inflate to your comfort, no multiple purchases needed
  • Body-safe silicone: Phthalate-free material smooth on sensitive tissue
  • Prostate targeting: Expanding pressure reaches spots fixed plugs miss
  • Quick-release valve: Instant deflation for panic-free removal anytime
  • Beginner-friendly entry: Starts at 3 inches, expands gradually as you adjust
  • Detachable pump: Full control over inflation speed and pressure
  • Hands-free security: Flanged base anchors outside your body safely
📦 Discreet plain-wrapped delivery  •  💳 Private billing  •  ↩️ Easy size-swap returns

What it does

Insert the deflated plug past your sphincter, then use the detachable pump bulb to add air gradually. Each squeeze increases pressure against your rectal walls and prostate, creating sensations that rigid plugs cannot match. Your prostate responds immediately to the growing fullness, sending waves of arousal through your cock and balls as you control the expansion.

Unlike fixed-size butt plugs, the internal balloon stretches to match your anatomy precisely, reaching deeper spots and providing customisable contact. Combine steady inflation with stroking for full-body orgasms, or maintain pressure during solo play for mind-bending prostate massage. Prostate Vibes offer a different approach through vibration, while this plug delivers expanding pressure tailored to your body.

Specifications

  • Starting insertable length: 3 inches
  • Starting diameter: 2 inches
  • Material: Phthalate-free silicone with medical-grade PVC inflation system
  • Pump system: Detachable bulb with ABS plastic quick-release valve
  • Weight: 4.2 ounces
  • Cleaning: Warm soap and water, compatible with water-based lubricants

Size and first use

At 3 inches long and 2 inches wide when deflated, this plug suits beginners who want to work up gradually without jumping straight to larger sizes. Cockringshop specialises in products for men and couples at all experience levels, and this design bridges that gap perfectly. Apply generous water-based lube to both the plug and your anus, then gently insert the deflated sex toy until the flanged base sits flush against your body. Start with a few gentle pumps to test positioning and comfort, then pause between inflations to let your arse adjust. Your prostate will signal when you've hit the sweet spot through rushes of pleasure.

How to use it

Coat the smooth silicone head and your opening with plenty of water-based lubricant before entry. Slowly work the deflated plug past your sphincter until the wide base prevents further insertion, ensuring safe positioning. Once seated, begin with light pumps on the bulb to test your comfort and confirm the plug sits correctly inside.

Increase inflation gradually with slow, deliberate pumps, pausing between each to let your body adapt to the growing fullness. When you're ready for maximum sensation, maintain steady pressure while stroking your penis, or press the quick-release valve for instant deflation. After use, clean the plug and pump system with warm soap and water, then store in a cool, dry place.

Feature breakdown

Feature Specification Benefit Experience
Inflation System Detachable pump bulb Customises anal fullness to your preference Complete size control at your own pace
Quick-Release Valve ABS plastic mechanism Instant deflation for safe, panic-free removal Reassurance and freedom from anxiety
Premium Silicone Phthalate-free construction Smooth insertion comfort and body safety Reliable, non-toxic material on sensitive tissue
Flanged Base Wide external anchor Prevents over-insertion and anchors securely Hands-free security during extended wear

Who it suits

Beginners love starting small and working up gradually without committing to a fixed size, while experienced anal players appreciate avoiding multiple plug purchases. Men seeking targeted prostate massage benefit from customisable pressure that responds to your body's signals. Couples enjoy the visual excitement of watching inflation happen in real time, and the ability to pause or deflate instantly keeps both partners in control.

Skip this if you have active hemorrhoids or anal fissures, as the expanding action could cause discomfort or worsen existing issues. Anyone uncomfortable with gradual expansion or unable to tolerate air-based sex toys should look toward rigid alternatives instead. Always listen to your body and stop if you experience sharp pain rather than pleasure.

Tested and quality-checked

Every new line we stock is inspected by hand before it goes live — we check the build, the finish, and the materials, and we confirm it is safe and fit for how it will be used. Nothing is used for its intended purpose; it is examined, checked, and re-boxed. What that means for you is simple: you receive a piece we have already vetted, not a guess off a supplier's pallet. See how we test every product →

How it compares

Rigid butt plugs offer a fixed size and firm pressure that some users prefer, but they force you to choose one dimension upfront and don't adapt to your anatomy. Slide Easy Prostate Plugs provide similar targeting without inflation, giving you consistent sensation instead of gradual expansion. This inflatable design wins if you want progression in a single purchase and the ability to adjust fullness mid-session based on your mood and arousal level.

Please read — safety first. Put the ring on before you are fully erect and use plenty of water-based lubricant so it slides on without pinching. Keep wear time short — no more than 20 minutes while you are getting used to it, and never fall asleep wearing one. Take it off straight away if you feel numbness, coldness, a change in colour, or any pain, as these mean blood flow has been cut off too far. Never share between partners without cleaning the item first or using a fresh condom. As porous materials can harbour bacteria, use a condom over them for sharing or easy clean-up. This information is general in nature only and is not medical or professional advice, and does not take your personal circumstances into account. Stop use and speak with a qualified medical professional if you have a relevant health condition, take medication for erectile function or blood pressure, or notice pain, numbness, or discolouration that does not settle.

What you can use it with

Pair this plug with Cock Ring Sets during partnered play or solo sessions. A cock ring maintains your erection while the expanding plug delivers prostate pressure, intensifying both sensations simultaneously. Rings also slow blood flow away from your penis, making orgasms more powerful when combined with the fullness and massage this plug provides.

More from California Exotics

California Exotics specialises in accessible adult toys that prioritise safety and user control across all product types. Browse their full range for other inflatable designs, rigid plugs, vibrators, and couples' gear engineered for comfort and durability.

Read more before you buy

Anal play carries real safety considerations worth understanding before your first session. Using Penis Plugs Safely covers positioning, relaxation, lube, and recognising when to stop.

Why buy the Expandable Silicone Inflatable Butt Plug

Ready to buy with your size sorted? Order the Expandable Silicone Inflatable Butt Plug from The Cock Ring Store, a genuine California Exotics product that's function-tested and quality-checked in-house. Cockringshop ships discreetly in plain packaging, and we stand behind every item we sell. Real fit advice, body-safe materials, and plain-packaged shipping. The Cock Ring Store ships discreetly Australia-wide.

Shipping Information & Policy


Cockringshop.com.au ships with Australia Post. We ship from Sydney.

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 1-6 business days after shipping, but may subject to any postage carrier related delays beyond our control.

Free standard shipping on orders shipped within Australia above $200. For orders below $200 standard shipping within Australia is $12.95 and will be added at checkout.

Orders addressed to P.O box, G.P.O box or Parcel Collect will be handled by Australia Post. Extra time should be allocated for these orders.

Shipping Transit Times (Including Free Shipping)

Shipping time refers to the estimated time that it will take to deliver your order after it’s ready to ship (Please note this does not include time to process your order). Shipping time does not commence after your order is put through but begins the moment your order has been processed and is ready to dispatch via the our freight carrier..

1. Major City & Metro Areas (within Australia)

All in stock orders are generally processed on the same day the order was placed on business days for orders received before 12pm. Generally, orders are processed and shipped the same day or next business day.

Orders are typically received 1-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the nearest depot location.

2. Rural Areas (within Australia)

All orders are generally processed on the same day the order was placed on business days before 12pm.

Generally, orders are processed and shipped the same day or next Business day.

Packages below 2kg are usually received 3-6 business days after shipping. For larger packages please allow an extra 1-2 business days for delivery.

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from the local Australia Post depot.

International Shipping

The price for international shipping is AU$12.95 for orders equal to or below 0.399kg (399grams), and AU$22.95 for orders with a total weight equal to or above 0.4kg (400 grams).

All in-stock orders placed before 12pm AEST (Sydney Time) on business days are generally processed on the same day. Packages are usually received 6-30 business days after shipping. 

If no one is available at your delivery address to accept your order a second delivery may be scheduled or you will be notified that your order can be collected from your nearest delivery depot.

Please note in regards to all orders

– These expected delivery dates/times are based on carrier shipping practices, your destination, and the items in your order.

– Expected delivery dates are estimates. Orders can be delayed due to fraud verification or the time of the order being placed. Items that are not regularly stocked cannot be held to the expected delivery dates.

– Orders may be delivered in separate shipments.

– The order cut off times are based on normal Business Hours and exclude weekends and Holidays: Monday – Friday 12 pm

– When your order ships you will receive an email from us with a link to track your order.  If you receive your tracking number before 6 pm (AEST) it may not be updated on the Carrier’s website until that evening.

Due to large amounts of online credit card fraud, all orders are subject to approval by our payment verification department. We will notify you by phone or email should your order be delayed.

Returns Policy


We have a 14 day return policy, which means you have 14 days after receiving your item to request a refund for any defective products.

Returns and exchanges are only available for faulty items, goods not as described, or in some instances, for incorrect sizing.

Due to health and safety regulations, cockringshop.com.au cannot resell any returned or exchanged products.

This policy is in place to prioritise your well-being and ensure that you receive the highest standard of hygiene and quality in all products.

To be eligible for a refund, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You’ll also need the receipt or proof of purchase. We do not issue refunds for change of mind or incorrect choice.

Under Australian Consumer Law, we are not obliged to accept returns for “incorrect choice” or “change of mind” so please choose your products carefully.

Any freight and insurance costs to return the item to us are at your expense. This includes the liability for any lost freight – send via registered post.

If your return request is accepted, we will provide you with all instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items

We do not accept returns for any products that have change of mind, damaged products, or for products that have been used or do not have their original packaging.

Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method within 7 business days.

Please remember it can take some time for your bank or credit card company to process and post the refund

Frequently Asked Questions

How does the California Exotics Expandable Silicone Inflatable Butt Plug enhance anal stimulation during penetration?
The inflation system allows gradual expansion inside the anus creating progressive stretching sensations while applying targeted pressure against the prostate for intense orgasmic stimulation during anal play.
What makes the California Exotics Expandable Silicone Inflatable Butt Plug effective for prostate massage?
Users experience direct prostate stimulation through controlled expansion that applies consistent pressure against the prostate gland while the silicone surface delivers smooth comfortable penetration for enhanced arousal.
Why is the California Exotics Expandable Silicone Inflatable Butt Plug better for progressive anal training?
Adjustable inflation accommodates different experience levels by starting at modest dimensions then expanding gradually allowing users to control anus stretching pace for comfortable anal penetration development over time.
When should the California Exotics Expandable Silicone Inflatable Butt Plug be used for maximum anal pleasure?
It delivers optimal sensations during extended anal play sessions when users inflate gradually to desired fullness then maintain pressure for sustained prostate stimulation and filling sensations throughout masturbation.
Does the California Exotics Expandable Silicone Inflatable Butt Plug work for intense orgasmic experiences?
Quick release valve enables immediate size adjustment during climax while the flanged base ensures secure positioning allowing users to focus completely on prostate stimulation for powerful anal orgasms.

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Why Shop With the Cock Ring Shop?

FAST ORDER DISPATCH

We ship same day on all in-stock orders placed before 12pm! Free shipping on all orders above $200.

DISCREET PACKAGING

All of our shipments come in discreet packaging ensuring those nosy neighbours will never know!

INTERNATIONAL SHIPPING

We ship our full range of products worldwide with fast dispatch for orders before 12pm Sydney EST!