1.Made of food grade silicone rubber approved by FDA,SGS,LFGB,RoHS 2.Tastelee,Nontoxic,Anti-dust,non-sticking,impermeable,easy to wash 3.Sate for microwaves,ovens,dish,washer,and freezer 4.Non-stick ,esey to clean 5.Temperature range :-40- +230oC 6.Various designs and colors available