3 IN 1 EXERCISE SET 1 * Sit up bar, 1 * Jump rope, 1 * Fitness band. This sit-up assistive device kit is designed to aid your abdominal workout, improve your overall health, and exercise at home, in the gym or in the office.SUPERIOR STABILITY The 4, lower suction cup 5 inches provides strong grip and can withstand over 150kg of pullThe cold-rolled steel body and thickened sponge provide strong stability and soft comfort. Protect your feet from injury.HEIGHT ADJUSTABLE 3 levels of height adjustment, suitable for all body types of men and women. You can adjust the height for various purposes to help you perform abdominal exercises and beautify your abdominal curves.NOTE Seated exercise equipment should be used on a smooth floor. Wipe the floor with a damp 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. Do not use for more than 1 hour each time. Not suitable for: rough floors, carpets, rough parquet.