The Helinox Silicone Mats for Table One Hard Tops protect tabletops from spills, stains, and burns while camping, tailgating, picnicking, and RVing. Durable and flexible, the surface is heat-resistant to 480-degrees Fahrenheit. The non-stick, non-slip, waterproof surface is easy to wipe clean. Made from BPA-free silicone with glass fiber weave, mats are super-flexible and easy to store. The Helinox Silicone Tabletop Mat is available in two sizes, custom fit to Helinox Table One Hard Tops: Medium measures 23.5 x 15.75 inches and weighs 9 ounces; Large measures 29.25 x 22 inches and weighs 15 ounces. Manufacturer's five-year warranty.