4: Thicken and enlarge the suction cup base, the suction is stronger and firmer, and the movement is stable and safe.5: It can help you exercise your abdomen, reduce abdominal muscles, shape your body, and complete various actions.5: Easily cope with a variety of floors. Wipe the floor clean before installation, and the adsorption effect is better (suitable for marble surfaces, ceramic tiles, terrazzo, wood floors)6: The software material is soft and comfortable to fit the instep, soft and comfortable to the touch, cushioning without rubbing the foot7: One machine with multiple functions, sit-ups, leg extensions, back push-ups, supine leg lifts, push-ups, arm bridge exercises, planks,8: Provide more protection, extend the support bar, unlock more movements, and exercise more safely. Suitable for sit-ups, hip bridge exercises, push-ups, planks, and supine leg lifts.Material: PP+siliconeProduct Category: Portable sit-upsSize: 26.5 x17cm / 10.43 x6.69inColor: blueFunction: multi-stage adjustment, simple installation, small and lightUses: sit-ups, hip bridge exercises, push-ups, planks, supine leg lifts.Suitable for: yoga, gym, home fitness, etc.Package included:1* sit-ups bench assistant