HEALTHY MATERIAL:Amrules baking pans and racks are made from good quality stainless steel, which is rust and warp resistant and durability. There is no chemical coating and any other toxic materials, safe for your family’s daily use | SUPERIOR CRAFT:Highly mirror polished nonstick surface minimizes food sticking and ensures food even heating and good release. One-piece seamless design with no dead ends, smooth rounded corners and curved edges to prevent finger injuries | GOOD DESIGN:Each stainless steel drying rack features many dense parallel lines to effectively prevent food from falling, and 4 raised feet on the bottom to better cool food and separate grease from food | MULTI-SPECIFICATION:This baking sheets set comes in 3 different sizes, including small 10.4x8.0 inches, medium 12.4x9.6 inches, and large 16x12 inches, and each cookie sheet comes with an appropriately sized baking rack | WIDELY USE:The multifunctional bakeware sets is good for baking bacon, crispy chicken, bread, cakes, cookies, pies, meat, fish and more, and can also be used as a tray for your family's baking needs | EASY TO CLEAN:These baking supplies can be nicely stacked together to save space. Each baking sheet and rack were packed in a protective bag to avoid damage in transit, please remove them before first use