Backbend support improve back/waist/leg/arm flexibility, strengthen and tone muscles, and add challenge to your workouts, and excellent gift for your friends and loved ones. Waist back bend made of strong webbing and soft cotton strap, and solid D-ring for smooth sliding motion, great for pilates, yoga, dance, ballet and gymnastics, cheerleading training, etc. Backbend stretcher withstand high levels of tension when simultaneously pulled from various directions, will not scratch or damage your door and won't move or slide while you're stretching or working out. Just put the door anchor over any sturdy doorpost, close the door and pull the strap through the D-ring to start your exercise. Fit for beginners as well as more experienced practitioners. Portable and travel friendly door stretch strap, you can take it with you to the gym, offices, hotels, and prevents injury and allows you to comfortably improve flexibility.