Our Stainless Steel Cookie Sheet is substantially designed with multiple layers that conduct heat evenly and efficiently. It’s made with 3-Ply construction and has a T-304 surgical stainless steel baking surface. No other bakeware cooks so evenly! It has convenient handles, and most importantly, it is 100% American Made. As is the case with every 360 Bakeware product, the Large Cookie Sheet is covered by a Lifetime Warranty. The 14” x 17.5” area will accommodate lots of small cookies or just a few monster cookies! It’s also perfect for warming up frozen hors d’oeuvres for your next trouble-free get-together!