... ecofriendly silicon raw material, soft feeling, durable and tensile of its physical characteristic,100% silicone,heat-resisting,cold-resisting.2 ... for steaming food 3)Size: The requirements of the guests4)Weight: The requirements of the guests5)Color:as the customers request6 ... up to 230F and down to -40F9)Flexible.easy storage and easy release,Dishwasher safe for convenient and thorough cleaning ...