Platinum silicone moulds in novel shapes and sizes make baking interesting and convenient Non-toxic odorless flexible and non-stick: demoulding is super easy. Good elasticity high tensile strength excellent and no deformation: always retain original shape. Long life can use over 3000 times -40 to 230 degrees celsius: Microwave oven freezer dishwasher friendly. FDA LFGB approved and SGS certified