The silicone bowl used in the Air Fryer reduces food residue, grease and other dirt, makes cleaning the Air Fryer easier and extends the life of the appliance. The bottom of the silicone liner has raised areas that improve air circulation and even out heat distribution, so food cooks more evenly and you can enjoy perfectly cooked food every time. The strong and flexible silicone bowl is non-stick, non-toxic and highly heat resistant. Heat resistant to 220 degrees. The width of the top of silicone liner is 21.5 cm and the width of the base is 17.5 cm. Dishwasher safe.