We recommend using wallpaper paste when installing wall borders. If hanging over paint, prime the area with an acrylic-based primer/sealer suitable for wall-coverings. If hanging over wall-covering, use vinyl-to-vinyl adhesive. ... One prepasted NHL Chicago Blackhawks wall border roll measuring 5.5 inches wide x 15 ft (4.572 meters) long. ... CONTENTS: One prepasted NHL wall border roll measuring 5.5 inches wide x 15 ft (4.572 meters) long.