These rolls make it easy to teach any music lesson. The printed staff lines are large enough to be seen from the back of class, and with the patented dry-erase coating it can be used over and over again without shadowing. It has a full adhesive back that won´t leave residue behind and sticks to most clean, smooth, hard, non-porous surfaces. Each film-wrapped roll has a hang tab attached making them peggable, or the rolls can be displayed on a shelf. Recyclable. Each roll measures 17" x 4´. Sold as a pack of 3 rolls.