【Upgrade design】: Ergonomically designed, two-row support rods, more soft foam-covered handle,comfortable padding to regulate traction on the back of the foot during playing sit ups to avoid ankle getting injuries or bruising Large suction rubber chassis provide more suction cup area and more high stability,The sit-up equipment’s big suction cup made of natural rubber which is durable and long life. 【Four Gear Adjustments】: Four height adjustments which can be easily adjusted according to all consumer height , it can be used for all your family and friends. 【Easy Installation and Portable】: The sit up bar is very easy to install and remove without need any tools,convenient and easy to use,you can pack it into your daily bag and carry anywhere, portable work out any where, save time and money.This is very ideal for people to have more healthier life for people who don’t have time to work out in gym. 【Multi Function】: A perfect tool to help you to reduce abdominal fat, strengthens and firms abdominal core muscles, play sit-ups, push-ups, elbow plank, press-up stretching back, side kick, flat support, belly movement easily. 【Note】: This sit up bar can be reused on smooth floors, wipe the floor with a clean damp cloth before use, remove dust, and place the suction cup on a smooth surface, please make sure there are no gaps and damp at the bottom. Read Less