The right baking sheet makes a real difference! You need a baking sheet that bakes cookies evenly and releases them cleanly. Use the sheet the pro's use. * Industrial grade materials for a lifetime of durability * Superb heat conductivity for uniform baking * Superior nonstick finish to release cookies and rolls easily and make clean-up a breeze * Wide lip makes for easy handling without burning * 12 x 18-inch overall size with an 11 x 17-inch baking area Don't miss these great, professional pans.