... microwave use safe 3.Ceramic,porcelain,ect material Item NO.E-friendly Temperature Color Change Cup MOQ3000PCSMaterial100% melamine or 30% melamine ... new mould according to original sample or technical drawings, lead time is 7 working days.(2) After samples approval, 50 working ... ,Jiaoyu Road,Haizhuli,Chanpping Town,Dongguan City,Guangdong Province,China E-friendly Temperature Color Change Cup