MULTI PURPOSE: This ab trainer is designed for arm, leg and waist training. You can use it to exercise different parts of your body, which is perfect for both men and women.HIGH QUALITY MATERIAL: This fitness equipment is made of heavy thick steel plate, which is very solid and stable. It can bear up to 550lbs, meeting the needs of most people.INNOVATIVE DESIGN: 40 ° ergonomic design, in line with the curvature of the human spine, effectively reduce lumbar injury, mute the roller effectively reduce noise, high rebound space cotton, effectively reduce knee pressure.LED DISPLAY: The LED training computer with large amount of information circularly displays the calories, time and movement consumed per minute when you exercise. It ensures that you stay focused while exercising.EASY TO ASSEMBLE AND FOLD: Simple and clear instructions make assembly easier. It can be folded when not in use. It is not only suitable for gym, but also can be used at home and office.