Extra Large & Thickened: The size of the silicone mat is 120"x24"(305cmx60cm),1.0mm thickness. The thickened design makes it have better protection and not easy to tear up. We roll up the mats for packing to prevent permanent creases when packaged and shipped, and you will no longer suffer from mat creases. Food Grade Silicone Materials: Our silicone counter mat are made of 100% food-grade silicone which can directly contact food and no odor. The stain-resistant and smooth surface makes the mat easy to clean. Just wiped with a rag or washed with soapy water.