Thomas and Friends wall border is the quickest way to bring Thomas and friends into your bedroom. Measuring 5"x5 yards (5 inches high x 15 feet long), average room (15'x15') needs 4 spools. It's easy to install, just peel & stick, and voila, you are ready to move full steam ahead with Thomas in less than 30 minutes. And if you need to add some personal accent to the room, consider the cool Thomas Tank Engine appliques