UltiGrips® oven mitts go from freezer to oven, protecting hands from temperatures -109°F to 500°F (-78°C to 260°C) for 15 seconds. UltiGrips® are made of a non-slip, textured neoprene material with Kevlar® stitching for extra durability. The WebGuard™ provides extra heat protection between thumb and forefinger.