Vacuum Cups and Suction Cups For the Packaging Industry SUP16-SIT Cup No. and Material D Dia. in. (mm) d Dia. in. (mm) H height in. (mm) h height in. (mm) Bottom Surface Material SUP16-SIT (Translucent Silicone) 0.63 (16) 0.20 (5) 0.79 (20) N/A Smooth Silicone