Roommates for Kids make decorating your childs room a breeze! Removable and repositionable stickers and borders with no damage to the surface. Washable! Carefully peel from sheet, position and smooth onto surface and you are done! Change the room around with ease! Each package contains over 20 self-adhesive, precut, reusable wall accents. Look for the coordinating wall border sold separately!How many borders will you need? Length around the room: number of border packages needed -0-15 feet: 1 -15-30 feet: 2 -30-45 feet: 3 -45-60 feet: 4