ANVER Vacuum Cups and Suction Cups For the Packaging Industry Part Number: BO1.5-20-TPU Part Number and Material D Dia. in. (mm) d Dia. in. (mm) H Height in. (mm) Item Weight oz. (grams) Bottom Surface Material BO1.5-20-TPU (TPU) 0.79 (20) 0.28 (7) 0.67 (17) 0.063 (1.8) Smooth Thermal Polyurethane