Buy Penis Sleeves and Extensions – extenders and hollow strap-ons in 26 models
A penis sleeve gives your cock instant extra length, extra girth or both – no waiting required. Tom Rocket's stocks 26 penis sleeves and extensions: from the ribbed Admiral Wave Extension and the transparent Renegade Clear Extender to the Fat Boy Ultra Fat Cock Extender for maximum girth. Add to that hollow strap-ons like the Armour Knight, realistic Life-Like Extensions in various skin tones and the Glow In The Dark Strap On for sessions in the dark.
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What is a penis sleeve?
A penis sleeve – also called a cock sleeve, penis extension or penis sheath – is a soft attachment that slides over the erect or semi-erect penis. Depending on the model, it adds length, girth or both. Most sleeves have an integrated cock ring at the base that holds them securely in place, even during hard anal sex. The material is soft enough that you as the wearer still feel pressure and movement – you are not cut off from the penetration. For the receiving partner, the sleeve means more fullness, more friction and, depending on the surface texture – nubs, ribs, veins – a completely different sensation compared to bare skin. Some models feature an open tip, maintaining direct contact between your glans and your partner.
Sleeve types at a glance
Sleeves and extenders
Sleeves slide directly over the penis and are held in place by an integrated cock ring. The Admiral Wave Extension has a ribbed wave surface, an open tip and a ball ring for fixation – material: TPE. The Renegade Clear Extender is fully transparent and adds up to 6 cm in length, available in Medium and Large. The Fat Boy Ultra Fat Cock Extender L focuses on girth: SilaSkin material that adds roughly 2.5 cm in diameter. The Cocksleeve Crystal Clear models in Medium and Large are see-through sleeves – your partner watches the penetration through the material. Sleeves generally provide more sensation for the wearer than hollow strap-ons.
Hollow strap-ons
Hollow strap-ons are hollow dildos with a harness. The penis is inserted into the hollow shaft. They are ideal for significantly more length and girth, as they are not limited by the wearer's own shaft. The Ribbed Metallic Blue Hollow Strap-On and the Gun Metal Ribbed Hollow Strap-On feature ribbed surfaces in striking metallic colours, with adjustable straps and a 3.5 cm inner diameter. The Vibrating Hollow Strap On Black 10" adds vibration for both partners. The Armour Knight Strap On uses a flexible TPR waistband instead of a traditional harness – more comfortable and quicker to put on. The Infiltrator and Infiltrator II Hollow Strap On are simpler models in black. Additional Hollow Strap On variants come in sizes from 6 to 10 inches and various skin tones, including a version with moulded balls. The Glow In The Dark Strap On glows in the dark – a visual effect your partner will not forget.
Realistic extensions
The Life-Like Extension series looks like a real penis – veins, glans and natural texture included. Available in 7 and 8 inches, each in several skin tones. Material: silicone with an integrated cock ring. The Penis Sheath models in 8 and 9 inches follow the same principle in Black, Light and Medium Skin Tone – sleeves that replicate the natural penis shape and simply slide on.
Materials
- TPE: Soft, stretchy, skin-like. Admiral Wave Extension and Renegade Clear Extender are made from TPE. More affordable than silicone but less durable and porous.
- Silicone: Body-safe, hypoallergenic, long-lasting. Life-Like Extensions are silicone. Use with water-based lube only.
- SilaSkin: Proprietary material used in the Fat Boy Extender. Extremely stretchy and soft – feels close to real skin.
- PVC: Firmer than TPE, allows ribbed surfaces. Ribbed Metallic Blue and Gun Metal Hollow Strap-Ons are PVC.
- TPR: Thermoplastic rubber. Armour Knight Strap On. Flexible but not sterilisable.
Which sleeve suits you?
For a first sleeve, a simple TPE extender like the Admiral Wave Extension or the Renegade Clear Extender is ideal – easy to put on, flexible and secured by a cock ring. If girth is your priority, the Fat Boy Ultra Fat Cock Extender adds diameter without extra length. For significantly more length and a completely different look, hollow strap-ons are the answer. The Life-Like Extension series suits those who prefer a realistic appearance. And for dark-room sessions, the Glow In The Dark Strap On adds a visual element your partner will notice immediately.
How to use
Slide the sleeve over the erect or semi-erect penis with a drop of water-based lube. Place the ball ring (if present) around the balls – this secures the sleeve and prevents slipping, even with plenty of lube. For hollow strap-ons, put on the harness and adjust it to your hips. Apply plenty of lube to the outside of the sleeve as well. A TPE sleeve without a ball ring can slip off during vigorous anal sex – in the worst case into the partner. Choose models with fixation.
Important: penis sleeves are not a condom replacement. They protect against neither STIs nor pregnancy. Using a sleeve and condom together does not work – the friction between the two materials can damage the condom.
Lube
Use water-based lube with most penis sleeves. Silicone-based lube can damage TPE, silicone and SilaSkin – the surface becomes sticky and porous. Check the product description if a model is silicone-lube compatible. Apply lube inside and out: inside for your cock, outside for the receiving partner.
Care
Clean with warm water and mild soap after every use. Dry thoroughly. Silicone models can be disinfected with toy cleaner. TPE and SilaSkin are more porous – clean carefully and store completely dry. Avoid direct sunlight, which makes the material brittle over time.
Ordering and shipping
Tom Rocket's ships within Germany free of charge from EUR 49, EU-wide from EUR 99. Orders placed before 1 pm ship the same day. Discreet delivery in a plain parcel. Customer service via chat, email or WhatsApp.
Frequently Asked Questions
What is the difference between a sleeve and a hollow strap-on?
A sleeve slides directly over the penis and is held in place by a cock ring. A hollow strap-on is a hollow dildo with a harness into which the penis is inserted. Strap-ons offer more length and girth; sleeves give the wearer a more direct sensation during penetration.
Can I feel anything through a penis sleeve?
Yes. The material is soft enough to transmit pressure, movement and warmth. Thin sleeves like the Renegade Clear Extender provide more sensation than thicker hollow strap-ons.
Which penis sleeve is best for beginners?
A simple TPE sleeve like the Admiral Wave Extension or the Renegade Clear Extender. Easy to put on, flexible and secured by a cock ring. Hollow strap-ons require a bit more practice to fit.
Can I use a penis sleeve with a condom?
No. Friction between condom and sleeve material can damage the condom. Penis sleeves do not protect against STIs or pregnancy.
Which material lasts longest?
Silicone. It is body-safe, hypoallergenic and the most durable with proper care. TPE is softer and more affordable but porous and less long-lasting. SilaSkin feels the most natural but needs careful maintenance.