1. The three-tier stackable rack size is 7.87*7.87*54 inches, it can be used in single layer and can be used in three layers.2、 3-Tier Stackable Rack: There are 3 removable trays to increase cooking space, providing ample space for fried food, dried fruit, meat and snacks. The dehydrator stand helps you use the entire space to layer multiple foods for simultaneous cooking or heating.3、 Versatility: Stackable racks can be used to dehydrate fruit, meat, vegetables and herds, or bake snacks and fried foods such as potatoes, onion rings and chicken strips. You can make a variety of foods in an air fryer oven at the same time.4、 Food Grade Safety: Made of 304 food grade stainless steel, the air fryer rack is dishwasher safe, even if the rack sticks to some food, but after soaking in warm water, it comes off immediately. You can provide your family with a variety of dried fruits and meats every day. You can also make pet food with it.5、 Easy to Use: The stackable design provides great convenience for you to save space in the air fryer, you can reduce the number of layers of trays according to the quantity of food, easy to disassemble and take out individually. The air fryer rack also improves air circulation around the food, keeping it crispy on all sides.