2 Silicone Replacement Donut Sleeves for Penis Pumps Increase Suction Power

Pack of 2 Soft Silicone Replacement Donut Sleeves for Penis Pump Vacuum Cylinder

    Creates air-tight seal for optimal pumping
    Makes pumping more fun
    Compatible with most pumping systems
    Material:Silicone
    Set include :2pc Donut Sleeves for Penis Pump Vacuum Cylinders

Outer diameter: Approx. 3"
Opening diameter: Approx. 2.75"