Hammer Stahl 5 Piece Classic Bake Set, Stainless Steel Heavy-duty 5 piece 304 (18/10) stainless steel classic bake set Set includes: 2-9" round cake pans, 2-9" pie plates, and 1-14"x17" cookie sheet. Designed to last a lifetime - our lifetime warranty protects against chipping, cracking, peeling, rust or breakage Stainless Steel is the safest, most sanitary cooking surface available Professional heavy gauge .9mm thickness