★ Why Choose Our Sit Up Assistant Device？This is a sit-up bar that is very suitable for installation in the home/office/gym. Everyone can easily install it on the floor for exercise. There is no need to put your feet under the sofa/bed, nor to install under the door.Suitable for everyone: With 3 level height adjustment function, suitable for all men/women of different heights and weights.Compact and portable: Perfect for home travel or work easy and effortless installation.★ Specifications: Single weight: 0.84kg/1.85lb. Sucker diameter: 12.5cm/4.9inMaterial: Made of iron, soft and high-elasticity foam, natural rubber. High quality and durable. Assembly Size: 27*12.5*17-21cm/10.6*4.9*6.6-8.2inAdjustable Height: 17-21cm/6.6-8.2cmFeatures: exercise equipment, portable, suction cup, loss weight. Perfect For Sit-Ups, Push-Ups, Exercising Your Arms, Shoulders, Chest, Back, Legs, Abdomen, Waist, Buttocks, And your whole body.★ Package Included:1 x Sit up bar ★ Warm Tips: The sit up exercise equipment must be used on a smooth floor. Better wipe the floor with a wet cloth before use to remove dust and place the suction cup on a flat surface to make sure there are no gaps at the bottom.