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No. 31 Stretchy Penis Extension By Sono - Pumps, Extenders and Sleeves
No. 31 Stretchy Penis Extension By Sono - Pumps, Extenders and Sleeves
No. 31 Stretchy Penis Extension By Sono - Pumps, Extenders and Sleeves

No. 31 Stretchy Penis Extension By Sono

$29.99
$29.99

Translucent TPE penis extension sleeve adds 2.5cm length and 0.4cm girth with ball strap

Key Features:

Adds 2.5 cm length and 0.4 cm girth

Soft, flexible TPE material construction

Secure ball strap prevents slippage

Enhances sexual performance and confidence

Translucent design for discreet use

Vendor: Sono
SKU: SLV-111-NOATTRIBUTES-SHOP-NONE-49419
Availability: Out Of Stock
Product type: Pumps, Extenders and Sleeves
Please hurry! Only 0 left in stock

If you're looking to add subtle length and girth during sex, finding a sleeve that stays put and feels natural can be challenging. SONO No. 31 Stretchy Penis Extension Translucent solves this with a secure ball strap and soft TPE design that moves with your body.

At a glance
  • Length gain: 2.5 cm extension
  • Girth increase: 0.4 cm
  • Material: Soft, body-safe TPE
  • Security: Integrated ball strap prevents slipping
  • Design: Translucent for visual appeal
  • Power: Mechanical — no battery needed
🚚 Plain, discreet packaging🔒 Discreet billing↩︎ Hygiene-conscious returns policy

What it is

SONO No. 31 Stretchy Penis Extension Translucent is a soft TPE sleeve engineered to add discreet length and girth enhancement. Unlike rigid alternatives, the stretchy material flexes naturally with body motion, delivering comfortable sensation without interruption. A secure ball strap anchors the extension firmly in place, preventing any shift during activity. The translucent design lets partners see the enhancement while maintaining a realistic aesthetic throughout use.

This extension stands apart through its practical engineering and thoughtful material choice. The soft TPE feels skin-like and moves intuitively, avoiding the stiffness or discomfort of harder plastics. See the full BDSM Australia range of Penis Sleeves to explore similar options and find your ideal fit.

Key features

  • Precise sizing: Adds exactly 2.5 cm length and 0.4 cm girth—noticeable without overwhelming.
  • Flexible TPE material: Body-safe, hypoallergenic, and moves naturally with your body during sex.
  • Secure ball strap: Keeps the extension anchored throughout penetration, eliminating slippage concerns.
  • Translucent design: Allows visual stimulation and aesthetic appeal while maintaining realistic appearance.
  • Easy to use: No batteries or complicated setup—simply stretch, secure, lubricate, and enjoy.

Specifications

  • Length extension: 2.5 cm added to penis length
  • Girth increase: 0.4 cm additional circumference
  • Material: Premium TPE, body-safe and hypoallergenic
  • Fastening: Adjustable ball strap for secure positioning
  • Lubrication: Water-based lubricant recommended for optimal performance
  • Waterproofing: Splash-resistant; not designed for full submersion
  • Box contents: One translucent SONO No. 31 extension sleeve with integrated ball strap

How to use a pumps, extenders and sleeve

Roll or stretch the sleeve over your penis, ensuring a comfortable fit from base to tip. Secure the ball strap snugly around your testicles to anchor the extension and prevent movement during activity. Apply water-based lubricant to the exterior for smoother insertion and enhanced sensation. Start slowly to let your body adjust, then increase pace as comfort builds.

Experiment with different positions to discover what feels best—the extension responds well to varied angles and pressure. Many users combine this with cock rings for added rigidity and control. During partnered sex, communicate with your partner about comfort and pace. Explore Textured Cock Sleeves if you want to vary sensation further. Always clean thoroughly after use and allow complete air drying before storage.

Always use water-based lubricant, clean the sleeve with warm soapy water after each use, and go slowly during initial wear to ensure comfortable fit and positioning. Safety first. This information is general in nature only and is not medical or professional advice; it does not account for your individual circumstances. Discontinue use immediately if you experience pain, numbness, discolouration, irritation or discomfort, and seek advice from a qualified medical professional if you have a relevant health condition or if symptoms persist.

Care and storage

Wash with warm water and mild antibacterial soap immediately after use, then air dry completely before storing. Keep in a cool, dry place away from direct sunlight and heat sources. Store separately from other products to prevent material degradation. Use only water-based lubricants to protect the TPE material. Check regularly for any signs of wear or damage.

Learn more

Understanding penis extenders can help you make an informed choice about enhancement tools. Read our guide to Is It Wrong To Use Penis Extenders for detailed insights into safety, psychology, and practical use. This product works best when you know what to expect from size enhancement and how to integrate it into your routine.

Mistress Athena's training notes

This extension serves my scenes precisely. Psychological leverage flows from the moment a submissive realizes their body will be modified at my command. The translucent material becomes my window into their reactions—every flush, every shift in breathing tells me exactly how deep my control runs. Watching them process the ball strap's restrictive purpose builds anticipation and surrender.

Control sharpens when size becomes negotiable. Submissives often arrive believing their body is fixed, immutable. This tool dismantles that illusion within moments. The extension becomes a symbol of my absolute authority over their physical form, their pleasure, their sense of self. I've observed how quickly resistance crumbles when vulnerability is made visible.

Texture and translucence matter in my practice. Partners watching the enhancement work create layers of psychological intensity that rigid tools cannot achieve. The soft TPE responds to movement in ways that feel alive, making each scene feel earned rather than imposed. Pairing this with sensory deprivation or positional restraint deepens submission exponentially.

See this and similar tools in action across my 300+ training videos on the BDSM Australia channel.

How it compares

Feature SONO No. 31 Rigid plastic extension Silicone cock ring with extender
Material feel Soft, flexible TPE Hard, unyielding plastic Flexible silicone
Length addition 2.5 cm 3–4 cm 1–2 cm
Security system Ball strap positioning Friction fit only Ring tension plus strap
Visual appeal Translucent, realistic Opaque, clinical Opaque, functional
Best for Subtle, comfortable enhancement Maximum size gain Dual erection and extension support

Why you'll reach for it

Pick up SONO No. 31 Stretchy Penis Extension Translucent when you want reliable enhancement without compromise. At BDSM Australia, you'll find a product that balances comfort, security, and genuine results. The soft TPE and ball strap deliver consistent performance, while the translucent design keeps things visually engaging. Order now and experience the confidence that comes with thoughtful size enhancement. Quality Bondage Gear Without the Guesswork.

BDSM Australia 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.

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, sex-toy.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 too.

Frequently Asked Questions

What is the SONO No. 31 Stretchy Penis Extension?
The SONO No. 31 is a translucent TPE penis extension designed to add 2.5 cm in length and 0.4 cm in girth, providing enhanced size and stimulation during sexual activities.
Is this penis sleeve comfortable for extended use?
Made from soft, flexible TPE material, this penis extension offers a comfortable, natural feel with a secure ball strap that prevents slippage and ensures stable positioning during intimate encounters.
Where can the SONO No. 31 extension be used effectively?
This penis extension works well during penetrative sex, masturbation, and can be used with various sex toys like Fleshlights to provide additional length and increased sensory stimulation.
Can the SONO No. 31 improve sexual performance?
The extension helps men achieve a larger appearance, potentially boosting confidence and providing additional stimulation for both partners through its added length and girth enhancement capabilities.
Which BDSM scenarios suit this penis extension?
During bondage play, this extension can be incorporated into role-playing scenarios, offering increased size and visual appeal while maintaining a comfortable, flexible design for dynamic sexual interactions.

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