About this article [Core strength abdominal muscle roller]: Free super thick yoga knee pad, with elastic band design and abdominal muscle roller, this abdominal muscle roller can provide more than 20 different exercise positions, enjoy your training. Favorite activity. [Multifunctional exerciser]: It is very suitable for arm exercises, strengthening the upper, middle, lower and oblique abdomen. Do resistance training at home, exercise your chest, back, arms, shoulders, and abdominal muscles in one movement. Train your body quickly, easily and easily. [Adjustable exercise intensity]: 5 modes are suitable for exercise intensity of different groups of people. From beginner to advanced, you can choose the right mode to train and exercise. In addition, you can make things harder step by step. [Home Gym Exerciser]: 10 minutes of homework a day is more effective than one or two hours of exercise in the gym every week. The portable and compact design allows you to use it anytime, anywhere. [According to the power guide]: The most suitable fitness equipment for 6-pack abs and core exercises-equipped with ultra-thick knee pads and comfortable foam grips; ideal for men and women's home gym roller coaster to pull waist weight loss trainer. Specification: Material: ABS/PP Cushion: EVA Hose: High-elastic elastic tube Product size: 42.4 * 18.5 * 13cm / 16.7 * 7.3 / 5.1inch 1.1KG Tip: If you have low back pain, back injury, or back surgery, we do not recommend that you use Ab Wheel.