GYMAX Multi-Workout Bench, Foldable Sit-up Abdominal Back Extension Strength Training Roman Chair Preacher CurlHigh quality Materials Sturdy and durable iron frame and soft sponge pad create a safe and comfortable exercise environment for you. High elasticity and environmentally friendly foam cotton gives you a good cushioning effect on your legs, so that you don't feel pain when you push your strength. Adjustable Backing Plate This bench is an important part of the core exercise. It has four angles to adjust and is designed for a variety of sports. You can