ALINCO Easy Exa EXG154 Materials: Body = Steel, PVC (polyvinyl chloride), PP (polypropylene), Pads = NBR (nitrile butadiene rubber), PVC, Seat = PVC Body Size: Width 31 x Depth 92 x Height 87.5 cm Body Weight: 8 kg Folded Size: Width 31 x Depth 65 x Height 38 cm Weight Capacity: 90 kg Product Description Just lean back for easy abdominal exercises. Even those who are not good at abdominal exercises can do it. This abdominal exercise equipment uses the spring's reaction to lift the body, allowing you to exercise your abdominal muscles without putting too much strain on your body. You can lean your body more than 180 degrees, so you can put a good load on your lower abdomen. In addition to abdominal exercises, it is also excellent for full-body workouts. (Sit-ups, leg press, leg curl, arm curl, stretching, leg extension)