1. Small size, not occupy space, lightweight for easy storage.
2. Thick soft foam, soft and comfortable without hurting the feet.
3. A button switch, start three seconds. Waterproof and moisture-proof, safer to use.
4. Three gear height, free to adjust. Through the spring snaps freely adjust their comfort level.
5. Strong suction, avoid loosening
1. Assistant needs to be attached to a smooth, dry clean flat floor without gaps, then push to fit the floor.
Material: high quality iron pipe + foam natural rubber + PP + spring
1 x Sit-ups Assistant Device