The Nordic Ware Aluminum Baker’s Eight Sheet is a must-have for any kitchen! Engineered from natural aluminum, the superior heat conductivity of aluminum ensures that you achieve consistent, evenly browned results every time you bake. Pure aluminum will never rust, and a reinforced, encapsulated rim prevents warping for lifetime durability. These professional grade aluminum pans are the preferred choice for bakeries and home kitchens alike. Made In USA. EXTERIOR DIMENSIONS: 10x6.93x1.06 Inches. INTERIOR DIMENSIONS: 9.3x6.25x1 Inches.