GRIDMANN 18" x 26" Commercial Grade Aluminum Cookie Sheet Baking Tray Pan Full Sheet - 12 Pans 18" x 26" FULL SHEET PANS FIT COMMERCIAL OVENS ONLY Wire reinforced beaded rim helps prevent warping Aluminum pan provides quick and even heating and cooling Commercial grade aluminum baking full sheet - 18 gauge Restaurant kitchen quality - oven, freezer or display case