specification: Item Type: Sit Up Assistant_x000D_Material: Cotton + steel_x000D_Suitable places: Dormitory bed, door, low board bed_x000D__x000D_Functions: Thin arms, shape peach rump, abdomen in (get a sexy waistcoat), thin leg_x000D_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. Features: 1Convenient to storage, occupy little space, easily rest after exercise, no need to clear up fitness tools. 2Including pressure lever, connecting cloth strip, buckle, fixing clamp, and hook. 3Four ways of fixing, it has easy and fast way to fix, and also has fixed methods designed for special beds. 4Applicable 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. 5Preferred in the fitness for school troops, ensure to suitable for all high and low bed. PackageList: 1 xPressure Lever 1 xHook 1 xFixing Clamp 1 xBuckle