This advanced silicone sleeve in a stylish blue finish fits any 3-inch penis pump cylinder. The flexible, stretchy design eliminates uncomfortable direct suction, transforming your pumping experience into a totally protective and pleasurable session.

The sleeve encourages better blood flow and suction efficiency, which enhances both short-term erection quality and long-term penis development in length and girth. Made from premium, body-safe silicone. Slides easily onto your cylinder base and is simple to clean and maintain.