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Fat Boy 4.0 Cock Sleeve by Perfect Fit
- $59.99
- $59.99
- Unit price
- per
Perfect Fit Fat Boy 4.0 Cock Sleeve wraps around your dick, creating half an inch of extra girth through premium SilaSkin material. Secure scrotum loop prevents slipping while latex-free construction accommodates sensitive skin during extended fucking sessions.
Key Features:
This cock sleeve adds 0.5 inches of girth enhancement during penetration while the SilaSkin material provides realistic texture for enhanced sexual satisfaction during intercourse.
The scrotum loop design keeps the sleeve securely positioned on the penis during vigorous thrusting while providing additional stimulation to the testicles for increased arousal.
Four inch length accommodates most penis sizes comfortably while the latex free SilaSkin material prevents allergic reactions and maintains flexibility during extended sexual sessions.
Clear transparent design maintains natural appearance during partner sex while the medical grade materials ensure safe vaginal and anal penetration without irritation or discomfort.
The stretchy sheath slides easily over the erect penis for quick application while the soft texture enhances sensation for both partners during masturbation and intercourse.
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Fat Boy 4.0 Cock Sleeve adds 0.5 inches of girth using medical-grade SilaSkin material. It's designed for men wanting noticeable size enhancement without discomfort, with a secure scrotum loop that keeps it in place during extended sessions.
Why choose the Fat Boy 4.0 Cock Sleeve by Perfect Fit
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📦 Discreet plain-wrapped delivery • 💳 Private billing • ↩️ Easy size-swap returns |
What it does
SilaSkin material feels remarkably natural against your skin and warms within minutes to create realistic sensations. As you slide into your partner, the added 0.5 inches of thickness creates noticeably fuller penetration. Your partner feels the increased girth spreading through their vagina or anus, while you experience tighter sensations that build intensity throughout longer sessions. Orgasms feel more substantial because the added girth creates increased friction, replacing standard climax intensity with deeper satisfaction.
Positioning is straightforward: the scrotum loop sits behind your balls and keeps the sleeve anchored during thrusting, preventing migration even with vigorous movement. Couples Penis Sleeves work brilliantly for partners who want to explore size together. Your natural sensitivity remains intact because the engineered thickness distributes pressure evenly, avoiding uncomfortable pinching. Extended sessions reveal how the loop prevents shifting while maintaining comfort around your testicles.
Specifications
- Material: Medical-grade SilaSkin, latex-free polymer
- Girth enhancement: 0.5 inch diameter increase
- Length: 4 inches
- Design: Clear transparent with integrated scrotum loop
- Compatibility: Water-based lubricant only
- Cleaning: Soap and water
Safe, gradual use
Start with shorter sessions to let your body adjust to the added girth and your partner to experience the increased thickness. Build up slowly over a few sessions before attempting extended wear or vigorous thrusting. The 0.5-inch addition is moderate enough for most men, but everyone's comfort threshold differs. Cockringshop specialise in products for men and couples, so if you're unsure whether this size suits you, chat with the team. Always use water-based lubricant generously to reduce friction and allow the material to glide smoothly. Stop immediately if you experience pain, numbness, or loss of sensation—discomfort is a sign to remove it and rest.
How to use it
Apply water-based lubricant to your penis and generously inside the sleeve before sliding it on. Position the scrotum loop behind your testicles, ensuring the sleeve covers your shaft completely without air bubbles trapped inside. Gently manipulate the material if needed, but avoid tearing. Test positioning during initial arousal to confirm comfort and stability before penetration begins.
Once you're ready, vary angles and depths to explore how the enhanced girth affects different sensations. Switch between slow, deep thrusts and faster rhythms to discover what feels best for both of you. Adjust the scrotum loop tension by gently repositioning if needed, letting fuller penetration develop naturally as you both adapt to the increased size. After use, rinse thoroughly with soap and warm water, dry completely, and store in a cool, dry place.
Feature breakdown
| Feature | Specification | Benefit | Experience |
|---|---|---|---|
| SilaSkin Material | Medical-grade, latex-free polymer | Prevents allergic reactions, feels natural against skin | Warms to body temperature within minutes, realistic sensation |
| Girth Enhancement | 0.5 inch diameter increase | Creates substantially fuller penetration for your partner | Noticeable size boost without extreme increase |
| Scrotum Loop | Integrated positioning design | Prevents migration during vigorous sex | Secure fit that maintains comfort around your testicles |
| Length and Pressure | 4 inches with engineered thickness distribution | Covers most men without bunching or sliding | Even pressure prevents pinching while maintaining sensitivity |
Who it suits
This sleeve is ideal for men whose natural girth leaves their partner wanting more substantial penetration. If you're looking for noticeable enhancement without extreme size increases, the 0.5-inch addition provides satisfying fullness. Men seeking reliable enhancement that won't slip during vigorous sex will appreciate the secure loop design. Anyone with sensitive skin or latex allergies benefits from the medical-grade, latex-free construction.
Skip this if you're after extreme girth enhancement—the 0.5-inch increase is moderate. If you prefer a completely hands-free experience, the scrotum loop requires positioning and occasional adjustment. Those with very sensitive penises should test it in short sessions first, as even moderate girth enhancement changes sensation significantly.
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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
Penis sleeves like the Fat Boy 4.0 add bulk and girth to your shaft for increased friction and fullness. Realistic Penis Sleeves focus on lifelike appearance and texture, often with detailed sculpting and varied internal ridges. The core difference is emphasis: this sleeve prioritises straightforward girth enhancement with a secure loop, while realistic versions emphasize anatomical detail and visual appeal. Both work with water-based lubricant and deliver increased penetration sensations—choose based on whether you want pure bulk or detailed realism.
| 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. 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 sleeve with Couples Intimacy Kits to explore size enhancement alongside other sensations designed for partners. A cock ring worn underneath or over the sleeve adds extra firmness and can delay ejaculation, extending sessions where the enhanced girth shines. Intimate kits combine complementary products that work together during partnered sex, making exploration easier and more satisfying for both of you.
More from Perfect Fit
Perfect Fit specialises in premium enhancement sex toys and comfortable cock rings designed for men. Browse their full range to find other girth options, rings, and enhancement products that suit your needs and preferences.
Read more before you buy
Before you choose, check out the Penis Pump Users Guide on the Adultsmart blog for broader context on male enhancement and safe practice.
Why buy the Fat Boy 4.0 Cock Sleeve by Perfect Fit
Keen to get harder and last longer tonight? Order the Fat Boy 4.0 Cock Sleeve by Perfect Fit from The Cock Ring Store—genuine, function-tested, and quality-checked for safety and performance. We ship discreetly to your door in plain packaging so your purchase stays private. Cockringshop is the specialist store for rings, cages, and male enhancement — discreetly delivered. The specialist store for rings, cages, and male enhancement — discreetly delivered. 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 Perfect Fit Fat Boy 4.0 Cock Sleeve enhance penis girth during penetration?
The sleeve adds precisely 0.5 inches of girth around the penis shaft creating fuller sensation during vaginal or anal penetration while maintaining comfortable fit.
Why is the Perfect Fit Fat Boy 4.0 Cock Sleeve better than other penis enhancement sleeves?
SilaSkin material feels more realistic than standard silicone while the scrotum loop prevents slipping during vigorous sex ensuring consistent enhancement throughout intercourse sessions.
When should the Perfect Fit Fat Boy 4.0 Cock Sleeve be used during sexual activity?
Apply it over the erect penis before penetration begins. The design works effectively during all sexual positions including missionary doggy style and cowgirl.
Which features of the Perfect Fit Fat Boy 4.0 Cock Sleeve increase sexual pleasure?
The textured SilaSkin surface stimulates vaginal walls during thrusting while the scrotum loop provides gentle pressure that enhances male arousal and prolongs erection.
Does the Perfect Fit Fat Boy 4.0 Cock Sleeve work effectively for anal penetration?
Medical grade materials make it safe for anal sex while the girth enhancement provides fuller sensation. The smooth surface reduces friction during insertion.
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