1) Made of 100% food grade silicone, non-stick, flexible and easy to clean. 2) Temperature range: -40 ~ 240. 3) Dishwasher safe, easy to store. 4) It's the revolution of baking and made baking more fun. 5) Oven, microwave, freezer and dishwasher safe. 6) Customers' designs are highly welcomed. 7) Any color available ,and welcome customized design.