Multifunction: Multifunctional fitness aids to help you roll belly movement push-ups, legs, body sculpting abdominals, abdominal support, stretching Material: portable sit-up, thickened soft foam handle, non-slip, wear-resistant, High quality steel bracket and rubber suction cup, hard and stable, long service life. Easy installation Three 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 fixed to the ground. After wiping the floor with a damp cloth, the suction power can be further boosted. Scope of application: Sit-up assistant device suitable for smooth surfaces such as tiles, concrete-cured, marble, wooden floors, ensure that the floor and suction cups are clean. Product Portable Sit-Up Abdominal Bar Suction Cup The 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, hard, hard, wear-resistant, durable and sturdy, possessing a long service life. Field application The sit bar can help you do sit-ups along, widely suitable for home, office, gym, etc. Specification: Type: sit bar Quantity: 1pc Material: steel + sponge Color: black Sucker diameter: 12.5cm