Material: stainless steel wire Size: 23*17cm; 26*20cm; 31*24cm; 40*30cm Quantity: 2 pieces Package Contents: 2*Baking Tray Racks 1. Healthy Material - Cooking grate is made of high quality stainless steel with no toxic chemical coating, heavy duty and rustproof, helps you avoid the effects of aluminum. 2. More Durability - With solid stainless steel construction, the wire rack resists bending or cracking, different from other cheap baking racks, durable for years of use. 3. Exquisite Craftsmanship - Our cooling racks have a smooth mirror-polished surface that reduces the risk of food sticking, easy to clean and dishwasher safe. All edges are carefully rounded with no rough spots. Comfortable to hold in hands. 4. Sturdy Design - Sturdy welding technology with parallel line design, strong enough to hold more food; 4 raised feet have been specially designed for better air circulation to achieve even and faster cooling times. 5. Multiple Uses - 2 piece set, for roasting, baking, smoking, grilling, chilling food and is ideal for use with your existing oven or cookware.