These disposable air fryer liners help prevent food from sticking, and make clean up easier. They will also help keep the air fryer in top condition with minimal cleaning. The liners are pre-cut, non-stick and heat resistant up to 230 degrees. This pack comes with 40 liners that will fit easily into most types of square air fryers. Simply place liner into air fryer and use as normal. Dispose of the liner after use.