COLT Muscle Nips Pump2 multi use heavy duty cylinders with intense suction action. The removable air hose easily detaches while maintaining suction. The nipple cyclinders have a flanged base for a secure seal and the hose is 100 percent silicone. There are easy on off valves for independent or synchronised suction. Washing: Hot soapy water and toy cleaner Colour: Clear Flexibility: Bendable For Who: Both Material: Silicone Brand: California Exotic