Bunhead Rehearsal Flexers Pro Ribbon is 7/8" wide, durable, single faced matte satin ribbon. It is designed to alleviate pressure on the Achilles tendon. It stretches with the movement of the ankle and enables the dancer to rise from Plie to pointe with minimal constriction. This is recommended by physical therapists and used by professionals. It is a total of 2 yards in length. There are 4 per set.