SuperiorBand®Professional Stretching and Strengthening SystemHigh Quality Natural Rubber Loop with no Latex Additives.Micro-Ridges for Superior Grip.Developed for Stretch Training used in Ballet, Dance and Gymnastics.45 inches long when flat, 90 inches in circumference.1-1/2 inches wide so it won’t cut into your body or feet.Easy to wrap around feet or hands to shorten the length if needed.One size fits all.