Rubber Ball Inhalation Cupping Breast Massage Lift $ 17.45 Specification: Cup no. 1: Height 53mm Diameter: 24mm Cup no. 2: Height 57mm Diameter: 34mm Cup no. 3: Height 63mm Diameter: 45mm Cup no. 4: Height 75mm Diameter: 54mm . Cup no. 5: Height 81 mm Diameter: 64mm . Function and use: Vacuum breast pump Material: Silicone plastic Packing list: Suction cupping *5