This Focus 905642 Perforated Aluminum 4-strap Strapped Bread Pan Set is produced to fulfill the strict requirements of the most difficult commercial pastry shops and food service establishments. Each pan is crafted from heavy-gauge aluminized steel; a 3-ply material consisting of 2 external layers of tough corrosion-resistant, perforated 3003 aluminum alloy wrapped around the long lasting heat conductor of a carbon steel layer. The frame is supported by a thick, covered enhancing wire to give the pan added stamina and insure greater toughness. Each pan has a silicone glazed covering that offers simple release of baked goods; covering will darken with usage. Pan bottom and sides are perforated for even heat flow, producing a crispy, artisan crust on all sides of the loaf. Each pan holds approximately a 1-pound loaf and is 9-1/2" x 4-1/2" x 2-3/4".