Our silicone pot mats are made with food-grade silicone that does not stain, warp, or chirp. This set of 2 mats is heat resistant and can withstand temperatures from -40 to 480°F. These are perfect for use in a microwave or freezer. Protect your countertops and dining tables from heat and scratches with our 0.47” thick silicone trivets. With a wavy stripe design, raised edges, and deep grooves, making them slip-resistant.