HIC Nonstick Oven Liner makes cleaning up messy spills easy and keeps oven cleaner Glass fiber cloth with BPA-free, food-safe nonstick coating; thin, pliable, extremely durable and heat safe to 500-degrees Fahrenheit Works in any oven, including conventional, electric, convection and microwave ovens; can be safely cut for a customized fit Reusable and more economical than using aluminum foil or disposable oven liners; rolls up for compact storage Easy to clean without the use of dangerous oven cleaners; simply wipe with a damp sponge or hand wash in warm, soapy water Material Glass Fiber Cloth Item Measurement 23 X 16.25 Microwave Safe No Dishwasher Safe No