Upgrade your cooking experience with our 4 - tier cooling rack set. Crafted from 100% pure stainless steel, these racks are not only healthy but also highly durable, free from harmful substances, rust - and corrosion - resistant. Each rack measures 15 inches in length and 10.2 inches in width, fitting 16 x 11 inches or larger sheet pans. The flexible feet can swing over 90°, reaching 3.5 inches in height for stable stacking and creating more cooking space. When not in use, fold them to 1.3 inches for easy storage. With elevated feet and equidistant wires, they promote optimal air circulation, allowing for even baking and quick cooling. They are oven - and dishwasher - safe, reducing your cleaning efforts. These racks are versatile and can be used for cooling pastries, baking meat, dehydrating jerky, and more. A must - have for any kitchen, they meet your daily cooking needs efficiently.