Material: 100% FDAsilicone quality ISO standard SGS test standard any color available 1} made of high quality food grade silicone materials 2) temperature range from -40 to 240 celsius 3) tasteless nontoxic , anti-dust non sticking , imprtmeable ,and easy to wash4) safe to use in ovens , microwave ovens , dishwasher and freezer 5) easy to handle , put on you cup , then you lift it directly , the ...