Our parchment paper liners with perforated holes are perfect for use in steaming baskets and air fryers. The holes allow hot air and steam to circulate and cook your food. Silicone coating prevents food from getting stuck to your steamer or air fryer. These liners are made of FDA approved unbleached parchment paper and can withstand temperatures up to 4210 degrees Fahrenheit. Liners measure 25cm in diameter and are the perfect size for 25cm steamers and air fryers.