Performancepump Waterproof Sleeve M 8.5 x 3.5cm

The PERFORMANCEPUMP M Watertight Sleeve for penis pump cylinder is an essential accessory for evacuating air and enlarging your penis.

Select the right outside diameter to fit the cylinder.

This sleeve has an external diameter of 8.5 cm and an internal diameter of 3.5 cm.

It's made of silicone , which means it's slightly stretchable.