The Mark!Set!Go! Gold & Silver Fingerboard Tapes: Teachers Pack were developed by Pearl Jones so both teachers and students can have a convenient way to mark finger positions on their instrument. No longer search for scissors. These gold & silver precut glossy strips easily lift off and no time is wasted trying to remove their backing. These gold & silver colored tapes are 2" long by 3/16th" wide and fit all sizes of violins and violas and there's enough for 12 instruments. Precut felt adhesive squares are included. The squares can be used to mark thumb position placements as well, if desired.