Designed for use with the Optimum Series Automatic Smart Pump, the Automatic Smart Pump Replacement Sleeve can also be used individually as an ultra-tight stroker sleeve!

The ultra-thick chamber sleeve magnifies your penis and has an anatomically correct design on the inside, heightening your stimulation. The sleeve is open-ended for easy cleaning.

The premium TPR is body safe, unscented, and phthalate free.

Key Features:

- Use with Optimum Series Automatic Smart Pump or by itself

- Thick chamber sleeve

- Textured chamber

- Open-ended

- Fits pump cylinders 2.25”/ 5.75 cm diameter or larger

- Body safe

- Unscented

- Phthalate free