A super soft and stretchy silicone sleeve designed to maximise comfort and quickly and effectively create an airtight vacuum on Pumped penis cylinders. - Product dimensions: 6.5 x 6.5 x 3 cm - Product weight: 20 grams - Product diameter: 6.5 cm - Inner diameter: 5.8 cm - Waterproof: Yes - Phthalate free: Yes - Materials: Silicone