These non-stick liners are made of disposable, heat-resistant parchment material that makes clean-up a snap. They fit most brands of air fryers and are ideal for baking, frying and roasting. Set of 100 non-stick liners. Choose Round (6.25"Dia. x 1.75"H) or Square (8.25"L x 6.25"W x 1.75"H).