Save that casserole! Keep the lasagna! Store that baked ziti! Replace disposable plastic wrap with reusable baking dish covers by Now Designs. Ideal for covering leftovers, this baking dish cover is lined to prevent moisture from escaping while storing. Each baking dish cover is rectangular shaped, and is designed to fit a standard 13" by 9" pan perfectly. These dish covers are made from cotton with a 50% polyurethane, 50% polyester lining. These food safe covers are machine washable (machine wash warm, lay flat to dry) for convenience.