Material: 100% Food Grade Silicone. Size: Please see item photo as described (1inch=2.54cm). Packing: OPP bag. Made of 100% food grade silicone, can be repeatedly used. Rating Of Temperature: -40 Centigrade to +240 Centigrade. Safe To Use In Oven, Microwave Oven, Dishware And Freezers. Non-stick and easy to clean. Environmentally friendly and degradable. No fading No yellowing. Long lasting. Cold-resistant High temperature resistance.