Features:Self-SuctionThis self-suction sit-up bar is designed to free your hands and do exercises on your own. Rubber sucker firmly grips the floor to ensure a safe and stable stand for your training. CompactThe exercise device is compact and lightweight, very convenient for home workout and traveling. Space saving and very convenient for storage and carrying wherever you go.Strong and DurableSturdy steel frame is built for extreme durability, great assistance for waist, abdomen, leg, body shaping, butt lift and muscle toning.Adjustable HeightSoft, thick foam handles are comfortable against your feet and prevent chafing. Adjustable height to fit different needs.Wide ApplicabilitySuitable for smooth surfaces like tiles, concrete-cured, marble floor make sure the floor and suckers are clean.Usage:Clean the floor with wet rag to make the floor a little wet. Put the sit up bar on the floor. press the black buckle down. If the height need to be adjusted, press the side spring button to change it. Specifications:Type: Abdominal Curl Exercise DeviceQuantity: 1PCMaterial: Foam + steel tubeAdjustable Height: 17~20cm/6.68~7.86inchSize: 27*12.5cm/10.61*4.91inch(L*W)Net Weight: 790.0g/27.87ozPackage:1 * Abdominal Curl Exercise Devicelt can be used at home or in the office to shape your body and trim your waist. Also very suitable for travel. The perfect gift for people to have a healthier life, especially for those who don't have time to work out in the gym or gym. This is a very ideal portable exercise tool that saves time and money.