This product is new, unused sealed in original packaging. About this item Plastic frame installs in paneled, wood, storm, PVC and metal doors, as well as interior and exterior walls Clear, hard flap with weather stripping for energy efficiency Multiple locking options for in only, out only, opened and locked settings Best for pets 1-25 pounds with a flap opening size of 7 1/8 inches by 7 1/4 inches Installation is adjustable to fit doors 1/16 inch to 2 inches thick