This is a versatile bottom oven liner has perfect size and thickness. Easy to clean and dishwasher safe everything will just slide off our mat and you don’t need to worry about the hassle of cleaning. Just put it in the dishwasher and you’re done! Premium quality made from premium quality polytetrafluoroethylene coated fibreglass material, heat resistant and non-toxic. It can also be used as an oven liner and non-stick baking mat.