1.100% Food grade silicone 2. Nonstick,easy to clean 3. OEM service availably We ... Cube Tray(1) Made of high quality food grade silicone materials with FDA&SGS certificate.(2) Temperature range from -40 to 220 centigrade ... color codeAdvantageGood Ozone resistance, aging resistance, high/low temperature resistance, acid/alkali resistance, weather resistance, abrasion resistance, voltage resistance and ...