These aluminum foil liners are safe to use, and they won't burn like paper liner during baking. Also the aluminum tin foil pans won't bend or fold. Features: Made of food grade premium quality aluminum foil, it is waterproof, oil-proof, and non-stick. Effectively keep food scraps away from cookware, making it as clean as unused, saving you time and effort. Just take one aluminum foil liner and put it in the air fryer, pressure cooker, rice cooker or BBQ grill, then you can cook as you like. The edges of the liner are 8 cm higher to protect the sides of the fryer and prevent food from sticking to it. The aluminum foil liner can also be used on an open flame, which is perfect for picnics, barbecues, camping trips and travel. Easy to clean, non-greasy, stackable and easy to store. Convenient for home baking, camping, barbecues, summer parties, school events, birthday parties. Please allow slight manual measurement deviation for the data.