CaseyPop MP OTG400 BK, Grey Cotton Silicone oven mitts exterior is FDA approved, BPA free, and safe for use around food Interior cotton and polyester lining provides softness and added protection against heat Grooved circle and spoke pattern offers a more secure grip on hot pots and casseroles Oven safe - heat resistant up to 450-degrees KUUK 10 year guarantee for peace of mind and amazing value