# Model F FLEXSKIN Penis Extender Sheath Size 1

## What it is

The Model F FLEXSKIN Penis Extender Sheath Size 1 is a Shaft wellness product. Positioned for for-him and for-her. Current price: $44.99 (retail value $74.99). In stock.

## Emma's take

Like the real thing, but with 2.3 inches extra reach.

This is the extender that made me believe the hype around FLEXSKIN. The liquid silicone genuinely mimics skin — warm to the touch, realistic give, none of that obvious-toy feeling. At 6.5 inches insertable with 2.3 extra inches of reach, it hits that sweet spot between confidence boost and comfortable wear. The internal sleeve fits snugly without pinching, and the whole thing stays put through movement. Perfect for couples wanting more length without sacrificing the natural feel.

## Specifications

- Total length: 7.8 inches
- Insertable length: 6.5 inches
- Internal length: 4.2 inches
- Internal diameter: 0.9 inches
- Internal width: 1.6 inches
- Material: FLEXSKIN liquid silicone
- Waterproof: 100%

## What's in the box

- 1x Model F FLEXSKIN extender sheath

## Care instructions

- Rinse with warm water and mild soap before and after each use
- Compatible with water-based and silicone-based lubes
- Air dry completely before storing in a cool, dry place
- Avoid contact with sharp objects that could puncture the silicone

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Last updated: 2026-07-21
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## Frequently asked questions

## How realistic does the FLEXSKIN material actually feel?

The liquid silicone has a skin-like warmth and give that's genuinely convincing. It's soft enough to feel natural but firm enough to maintain shape during use.

## What size range does the internal sleeve accommodate?

The internal sleeve is 4.2 inches long with a 0.9-inch diameter, designed to fit average sizes snugly without being restrictive.

## Do I need to use additional straps to keep it secure?

The snug internal fit keeps it in place for most users during steady movement. More vigorous activity might benefit from additional support.

## How do I clean and maintain the FLEXSKIN material?

Wash with warm water and mild soap, then air dry completely. The liquid silicone is non-porous and waterproof, making cleanup straightforward.

## Can I use any type of lubricant with this extender?

Both water-based and silicone-based lubes work well with FLEXSKIN. Start with water-based if you're unsure about compatibility.