Made of food grade silicone material, it is non-toxic, and odorless. It is flexible and can be rubbed repeatedly. The good tensile and waterproof performance can prevent infiltration in case something spills. It can also be put under high-temperature containers, carry high-temperature objects when curled up. Impurities are not easy to be affixed, easy to clean. The bumps on the mat surface is anti-skid to ensure safe usage. Feature - Color: Red. - Material: Silicone. - Size: About 21.5 x 15.5cm/8.5 x 6.1inch(LxW). - Made of food grade silicone material, it is non-toxic, and odorless. FDA approved authentication. - Great heat insulation performance. - It is flexible and can be rubbed repeatedly. The good tensile and waterproof performance can prevent infiltration in case something spills. - It can be put under high-temperature containers, carry high-temperature objects when curled up. Impurities are not easy to be affixed, easy to clean. - The bumps on the mat surface is anti-skid to ensure safe usage.