Stretching Exercise Belt Ballet Band Leg with Door Anchor Flexibility Trainer for Dance Aerial Yoga Ballet -GreenOur door stretching straps can help you improve leg flexibility, balance, range of motion, and muscle strength. Features: Easy to use, it can improve leg flexibility and balance in a natural body posture. Stay stable, will not scratch or damage your door, and will not move or slide when you stretch your legs. Improve flexibility and scalability, and take training to a new level through effective stretching. Very suitable for gymnasts, cheerleaders,