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Fat Boy Thin Clear by Perfect Fit

$69.99
$69.99

SilaSkin penis sheath adds 0.5 inches girth with 5.5-inch medium size and closed tip construction

Key Features:

Adds 0.5 inches of girth for enhanced stimulation

Ultra-soft SilaSkin material for comfortable fit

Closed tip design for secure positioning

Increases perceived size during sexual activity

Improves overall sexual sensation and experience

Vendor: Perfect Fit
SKU: SLV-170-ALL SIZES-SHOP--04INCHES-55771
Availability: In stock
Product type: Penis Sleeves and Extenders
Please hurry! Only 2 left in stock
Size: 04 In

If you want more girth and sensation during penetrative sex but worry about fit or comfort, the Perfect Fit Fat Boy Thin Clear solves both problems. This stretchy SilaSkin sheath adds half an inch of girth while staying secure and comfortable throughout.

At a glance
  • Length: 5.5 inches
  • Girth addition: 0.5 inches
  • Material: 100% SilaSkin, body-safe and hypoallergenic
  • Design: Closed tip with textured nubs and ribs
  • Base: Secure loop around testicles
  • Power: No battery required
🚚 Plain, discreet packaging🔒 Discreet billing↩︎ Hygiene-conscious returns policy

What it is

The Perfect Fit Fat Boy Thin Clear is a stretchy penis sheath engineered to enhance girth and sensation during sex. Built from ultra-soft SilaSkin, it wraps comfortably around the penis and adds half an inch of girth without feeling bulky. The closed tip design keeps it securely in place, while the textured interior—featuring nubs and ribs—creates extra friction for both partners. Its thick base loop anchors firmly around the testicles, so you stay confident during movement.

What sets this sheath apart is its realistic feel and adaptability across experience levels. Unlike rigid extenders, the stretchy material molds to your body and works with most penis sizes in its range. See the full BDSM Australia range of Penis Extenders to compare other options.

Key features

  • SilaSkin material: Ultra-soft, body-safe, and hypoallergenic for comfortable extended wear without irritation.
  • Textured interior: Integrated nubs and ribs amplify sensation for both penetrative and stroking experiences.
  • Closed tip design: Keeps the sheath secure during all types of movement and activity.
  • Base loop: Thick, stretchy anchor around the testicles prevents slipping and adds stability.
  • Realistic texture: Mimics natural skin feel, making the enhancement feel like a genuine part of your body.

Specifications

  • Length: 5.5 inches (also available in 4.0 and 6.5-inch sizes)
  • Girth addition: 0.5 inches
  • Material: 100% body-safe SilaSkin, hypoallergenic
  • Tip design: Closed
  • Base: Stretchy loop for secure testicle placement
  • Interior texture: Nubs and ribs for enhanced stimulation
  • Power source: None—passive wear design, ready to use immediately
  • Box contents: One Perfect Fit Fat Boy Thin Clear sheath and discrete packaging
  • Water-based lubricant compatible: Yes

How to use a penis sleeves and extender

Start by applying a small amount of water-based lubricant to the inside of the sheath. Gently stretch it over your penis, ensuring a comfortable fit along the shaft. Position the base loop around your testicles—it should feel snug but never painful. Adjust until you find the right balance between security and comfort, then add more lubricant as needed for smoother entry into your partner.

During sex, begin with slow, controlled movements to let both of you adjust to the added girth and texture. The nubs and ribs will create noticeable friction, so communication with your partner about pace and pressure helps you both enjoy the sensation fully. You can use it during penetrative intercourse, oral sex, or solo play. For couples exploring together, the sheath works with most positions—experiment to find what feels best. See the full BDSM Australia range of Electro Penis Plugs if you want to explore other enhancement options.

Always use water-based lubricant, clean the sheath thoroughly with mild soap and water after each use, and go slowly when first trying it to ensure comfort for both partners. 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 the sheath with mild antibacterial soap and warm water immediately after use, paying special attention to the textured interior. Rinse thoroughly until no soap residue remains, then air dry completely on a clean towel. Store it in a cool, dry place away from direct sunlight and extreme heat. Keep it away from sharp objects and store separately from other toys.

Learn more

Understanding how penis enhancement works helps you get the most from your sheath. Read Penis Pump Erect Penis Larger Than Life for expert insight into girth enhancement and how different tools compare. The more you know about what works for your body, the more confident you'll feel exploring new sensations.

Mistress Athena's training notes

The Perfect Fit Fat Boy Thin Clear has become essential in my scene work. When I introduce it to a submissive, I watch their breathing change before anything even begins—anticipation is half the power exchange. Texture and girth combine to create an intensity they can't ignore, making them hyper-aware of my control over their pleasure.

I use this sheath strategically during training to reinforce obedience. The nubs and ribs deliver unpredictable sensation, keeping my submissives alert and responsive to my commands. Gradually introducing different sizes teaches them to surrender to vulnerability. Size selection becomes its own form of protocol—larger sheaths for advanced submissives, smaller for those still learning.

What I observe most is the psychological shift. Initially, there's hesitation; within moments, desperation. The combination of physical stimulation and my dominance creates a powerful surrender. The sheath becomes an extension of my will, a tool that demonstrates absolute control over their most intimate responses.

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

How it compares

Feature Perfect Fit Fat Boy Thin Clear Basic Silicone Extender Rigid Penis Ring with Sheath
Material feel Ultra-soft, realistic SilaSkin Firmer silicone, less realistic Hard plastic or metal, no give
Girth addition 0.5 inches, moderate 0.25–0.5 inches, variable 0.75+ inches, substantial
Comfort for extended wear High—stretchy, adjustable base Medium—less stretch Low—rigid design limits comfort
Interior texture Nubs and ribs for dual stimulation Smooth or minimal texture Varies, often minimal
Best for Realistic feel and comfort Budget-conscious buyers Maximum girth seekers

Why you'll reach for it

Score the Perfect Fit Fat Boy Thin Clear when you want noticeable enhancement without sacrificing comfort or realistic feel. The SilaSkin material and textured interior deliver sensation that both partners notice immediately, and the secure base loop means you stay confident throughout. At BDSM Australia, you'll find this sheath ready to ship discreetly. Add it to your cart today and discover why thousands of couples reach for it again and again. Buy Genuine BDSM Brands with Confidence.

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 Perfect Fit Fat Boy Thin Clear Penis Sheath?
The Perfect Fit Fat Boy Thin Clear is a SilaSkin penis sheath designed to add 0.5 inches of girth, providing enhanced stimulation and a more substantial penetrative experience during sexual activity.
Is this penis enhancement sheath comfortable for extended use?
Constructed with ultra-soft SilaSkin material, the Fat Boy Thin Clear offers a stretchy, flexible fit that ensures comfort and reduces friction during intimate encounters, making it suitable for prolonged sexual activity.
Where can the Perfect Fit Fat Boy Thin Clear be effectively utilized?
This penis sheath can be used during penetrative sex to increase girth, provide additional stimulation for both partners, and enhance overall sexual sensation during vaginal, anal, or oral interactions.
Can the Fat Boy Thin Clear improve sexual performance?
The penis sheath helps increase perceived size, provides additional girth, and can potentially boost confidence by offering a fuller, more substantial penetrative experience during sexual encounters.
Which BDSM scenarios work best with the Perfect Fit Fat Boy Thin Clear?
During bondage play, this penis sheath can be incorporated into power exchange scenarios, providing visual and physical enhancement for dominance and submission-focused sexual interactions.

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