Tacking Tape is a cardboard strip used when folding fabric over to create a nice crisp fold line. Tacking Tape is also used to create an even line on welt cording, sometimes referred to as piping, it is especially helpful when blind stitching a fabric panel next to a welted edge. The Tacking Tape shown here is 1/2 inch wide and sold by the foot. Tacking Tape ships for free in the Continental United States. Not sure how to use Tacking Tape, or Tack Strip? You can watch as we demonstrate in our video series How To Reupholster A Wing Chair. The link is below.