35' long Now 12" wide Oven safe & non-stick With SmartGrid® makes baking easy No trimming. No waste.* *When using a standard 12" baking sheet 12" wide No trimming required. Perfectly fits standard baking sheets SmartGrid® Use the lines to space cookies evenly Non-stick Cookies slide right off - no need for extra oil, grease or sprays and makes clean-up quick and easy Bakes evenly Line pans and baking sheets for evenly browned cookies that hold their shape without cracks or crumbling