1. Convenient to storage, occupy little space, easily rest after exercise, no need to clear up fitness tools. 2. Including pressure lever, connecting cloth strip, buckle, fixing clamp, and hook. 3. Four ways of fixing, it has easy and fast way to fix, and also has fixed methods designed for special beds. 4. Applicable various bed type, 5 seconds can be installed, 5 seconds can be removed. Suitable for ladies who do not have strength to lift the bed and feel trouble in installing. 5. Preferred in the fitness for school troops, ensure to suitable for all high and low bed. Specification: Item Type: Sit Up Assistant Material: Cotton + steel Suitable places: Dormitory bed, door, low board bed Functions: Thin arms, shape peach rump, abdomen in (get a sexy waistcoat), thin leg Suitable for: ladies who do not have strength to lift the bed and feel trouble in installing.Preferred in the fitness for school troops, ensure to suitable for all high and low bed. Package List: 1 x Pressure Lever 1 x Hook 1 x Fixing Clamp 1 x Buckle