silicone coaster 1)100% food grade silicone with FDA / LFGB / SGS certs 2) safe to oven,roaster,dishwasher silicone coaster1)100% food grade silicone with FDA / LFGB /SGS certification2)Heat resistant temperture up to 230 degree centigrade 3)Non-stick,flexible,durable,discolor,and easy to clean4)safe to oven,roaster,dishwasher5)availble in various size and color kichenware silicone coaster