... of plastic cups,materials can be PP, PS, PE ,PET .2)Winbo cups are multi-purpose,they can be water cups,coffee cups,beer cups,etc ... free.7)Welcome OEM,ODM,OBM. Functions: 1. Winbo diy cups are suitable to travel, sports, hiking, picnic etc.2. ... in researching, designing and manufacturing plastic cups, sports cup, children cups, household water bottle cups and gift cups. Welcome to visit Winbo at ...