The sit up bench is scientifically designed to help you have more efficient workout. It features a heavy-dusty steel frame that is multi-height adjustable. The cushioned seat protects you from overexertion. The bench also has dual ankle pads with non-slip rubber end caps, and an anti-stress speed punching ball. Combined with regular exercise and a sensible diet, the sit up bench will help you tighten your abdominals and shrink your waist.