Performancepump S waterproof sleeve 7.3 x 2.5cm

The Watertight Sleeve for Penis Pump Cylinder is an essential accessory for vacuuming.

You'll need to select the right size for your cylinder.

The sleeve has an external diameter of 7.3 cm and an internal diameter of 2.5 cm.

It's made of silicone, so it's slightly stretchable.