1.HEALTHY MATERIAL: The cookie sheets for baking are made of high quality stainless steel without any chemical materials or toxic coating, which is food grade material & to oven perfect for daily use and a better replacement than aluminium pan and rack 2.CRAFTED: Stainless steel baking sheet with wire rack set are heat up evenly, 1 Inch deep baking pan avoiding food juice flowing everywhere to keep your oven clean, The sheet pan is highly mirror finish and smooth rolled edges to prevent finger injury 3.HEAVY DUTY & HEATED EVENLY: Thick gauge kitchen baking sheets with sturdy construction, the reinforced rolled edge provides extra strength which is not easily warp and sturdy for long time use. The baking tray set is perfect combo to heat up food evenly 4.EASY TO CLEAN & SPACE SAVING: Smooth mirror finish reduces sticking which make both the baking sheets nonstick and oven rack for baking are easy clean and dishwasher , And the cookie baking sheets for oven are stackable easy to store