Features: High-quality cotton strap smoothly slides through the sturdy steel D-ring, durable to use. 9.8 feet long strap with buckle allows you to freely adjust the length as required. Easy to use, just put the door anchor over any sturdy doorpost, close the door and pull the strap through the D-ring, then you are ready to train. Comes with a drawstring sack for easy storage and transport, so you can practice anywhere. Helpful to improve your leg flexibility, balance and range of motion in a natural body position. Perfect for ballet dancers, gymnasts, cheerleader, young figure skaters.