Fat Daddio's Heavy-Duty Full Sheet Pan is made with 16-gauge hard aluminum and features a durable wire reinforced rolled rim. Fat Daddio's cake pans and baking pans have no seams or weld lines often found in other pans. Fat Daddio's bakeware offers superior baking performance, even heat distribution, safety, and durability. Bake your best with Fat Daddio's bakeware. Dishwasher safe. Lifetime warranty.