... use safe 3.Stoneware,ceramic,porcelain,ect material Item NO.High temperature resistant Water Cup Ceramic MOQ3000PCSMaterial100% melamine or 30% ... to your requirement.Remark(1) Maximum temperature 120 degree, minimum temperature - 30 degree.(2) Our 100% melamine tableware can pass SGStesting ... ,Haizhuli,Chanpping Town,Dongguan City,Guangdong Province,China High temperature resistant Water Cup Ceramic