Size 14.51827cmColor black and white, all black, macaw grayMaterial natural rubberiron partsfoamPackage Contents 1crunches and prone machine1. Exercise anywhere. The base of the situp training device is a suction cup, which is very easy to attach and carry. Whether it is in the living room or the bedroom or even the office, you can exercise because in addition to the suction cup design, it is also small in size, undoubtedly a portable situp training machine.2. 3step adjustable height. We have developed 3 adjustable heights for users of different heights and body types. You can adjust the height of the situp machine at any time to find the most suitable height.3. Safe exercise. The bar is wrapped in foam which can alleviate your stress during exercise. In addition, we have developed double bars as an upgrade version, which not only ensures your exercise is safer, but also offers you a particularly comfortable workout.4. Easy to install. The suction cup can be attached with the push of a button. N The suction cup is easy to attach, first wipe the dust on the floor and the suction cup with a clean damp cloth, then place the suction cup on the floor and press until the two are dry. On the suction cup to force the air out of the suction cup. Finally, press the buckle to secure the device. But please note that the suction cup cannot be placed on the floor gap.5. The maximum load is 90KG. The maximum weight is about 90KG, which is suitable for almost all users. When you are ready to exercise, just take out your situp machine to start your workout at home and stay healthy.