12 Piece Cupping SystemThere are 2 cups for each size. 0. 625, 1, 1. 25, 1. 625, 2 and 2. 25 inches Simple put on the skin and attach the handle pump and pull the trigger pump to remove the air and watch the skin rise into the cup. The pump can be removed and the cups will remain in place Washing: Hot soapy water and toy cleaner Colour: Clear Flexibility: Firm For Who: Both Material: Plastic Brand: Kink Industries