Multifunction: Multi-functional fitness aids to help you roll belly movement push-ups, legs, body sculptingabdominals, abdominal support, stretching Material: portable sit-up, thickened soft foam handle, non-slip, wear-resistant wear,High quality steel bracket and rubber suction cup, hard and stable, long service life. Easy installationThree heights can meet your different needs, press the spring buckle inward to adjust the height of the crossbar, press the black button up or down to release / fix the suction cup. Strong suction: fitness suction cup has strong suction, not loose, the strong suction cup can be firmly attached to the floor. after wiping the floor with a damp cloth, the suction power can be further strengthened. Scope of application: Sit-up assistant device suitable for smooth surfaces like tiles, concrete-cured, marble, wooden floors wood, ensure that the floor and suction cups are clean. Product Description Portable Sit-Up Abdominal Bar Suction CupThe sit-up bar with a huge 12.5cm suction cup at the bottom is convenient to install. Press the entire seat bar and handle at the same time to easily attach the suction cup, without the need for other tools. Adjustable height There are 3 height modes for you to choose according to the practical situation. Press the spring buckle to adjust its height. Soft Sponge Design The seat bar is designed with soft sponge cushion, which can bring wonderful comfortable using experience. Durable The sit-up bar is mainly made of high quality steel material, which is hard, tough, wear-resistant, durable and sturdy, possessing a long service life. Scope The sit-up bar can help you do sit-ups along, widely suitable for home, office, gym, etc. Specification: Type: sit-up bar Quantity: 1 pc Material: steel + sponge Color: black Suction cup diameter: 12.5cm