quality food grade silicone materials with FDA&LFGB certificate OEM order is welcome YC 2011 nwe stylish silicone cup lid(1) Temperature range from -40 to 230 centigrade.(2) Tasteless, Nontoxic,Anti-dust, non-sticking, impermeable.easy to wash.(3) Safe to use in ovens, microwave ovens, dishwasher and freezer.(4) Easy to handle.(5) Environment protective (According to environmental protection ...