This Supercool Superman wall border is a fast way to transport your room into the universe of SUperheroes. 1 Spool is 5"x5 yards (5 inches high x 15 feet long), average room (15'x15') needs 4 spools. Prepasted makes it real easy to install, just peel & stick, and voila, your room is converted into the Wiggles theme in less than 30 minutes. And if you need to add some personal accent to the room, consider the fun Superman appliques