Easy to installThe adjustable sit up bar is equipped with suction cup that its diameter is 12.5cm/4.91inch, offering strong support. You can easily attach it on the smooth floor, very convenient.High qualityThis floor sit up bar is made of materials that is solid, wear resistant, and durable. It is not easy to be cracked or deformed.Wide applicationsThis sit up assistant equipment has a wide range of application, suitable for sport training, body shaping, core strength training and so on. In addition, it is wonderful gifts for your families or friends who love doing exercise.Specifications:Material: cold rolled steel+ foamColor: blueBase diameter: 12.5cm/4.91inchItem size: 31*24.5cm/12.18*9.63inch(L*W)Packing list 1*sit up fitness bar