Supmat, Silicone Place Mat, Table Mat Flexible silicone mat, use as potholder, trivet mat, placemat, jar opener, hot pad, coaster Made of durable 100% food grade silicone, Heat Resistant Protection of a range between -40 to 482 degrees Fahrenheit. FDA certified. Nonskid design, can roll up for easy and compact storage Nonstick surface, easy to clean and dishwasher safe Waterproof, super flexible and durable