The replacement crisper plate size is 8.42 x 8.42 inch,compatible for Ninja air fryer models AF140 AF141 and AF141C The air fryer accessories is made of carbon steel and non-stick coating,the non-stick crisper tray make food easy to remove from the tray.please do not use the rough abrasive cloth or metal balls to clean non-stick crisper plate for protecting anti-stick coating Crisper Plate:The crisper plate with perforated surface allows optimal air circulation make the food heat evenly and circulated for more crispy, healthy cooking and delicious Multi-Use:It can be used for cook chicken,beef,chicken wings,chicken strips,onion rings,pizza,bakre snacks or dehydrate fruits,meats,vegetables and more food with your air fryer.Enjoy funny and healthy cooking Easy to Clean:The air fryer replacement part for Ninja is easy to clean and dishwasher safe.Even if the crisper plate sticks some food,but after a quick soak,it came right off,which provide clean quickly and easily to added convenience.