Feature: Finest material & quality Meet international food grade standard， can pass USFDA， LFGB & French DGCCRF 100% Safe and non-toxic material， free of Phthalate， BPA， Nitrosamine， Latex， PVC Excellent heat retention capability， preserve temperature & freshness for long hours Suitable for both hot & cold drinks， best usage in both cold winter & hot summer Optimal design ensures  leak proof ， shock proof & thrust proof