Features:

【Auto Rebound Design】Our ab roller adopts automatic rebound technology, which helps protect muscles from stress during exercise. Moreover, the auto-rebound feature helps beginners tighten their core, standardize movement, and keep exercising for longer periods of time. The built-in smart braking system makes the rebound smoother and protects the user from injury.
【Thickened & Enlarged】 The new upgraded elbow pads and kneeling pads are enlarged and thickened, so that your sports can be more protected. The widened wheelbase makes it easier for you to exercise.
【Screw-Free Installation】Screw-free installation design. Unlike the previous screw installation, the screw-free installation is more convenient and quicker.
【Wear-resistant material】The roller is wrapped with soft material, which has good sound insulation effect. It is safer to use and won't hurt the floor. The thickened foam pad design protects the elbows from damaging during long-time exercise. Its sponge grip, which is non-slip, sweat-absorbent, comfortable, fade-resistant and durable, will not make noise or scratch the floor, and has a longer service life.
【Convenient Design】Equipped with a mobile phone holder, stable and not falling off. Fully combine sports with entertainment to make sports more exciting.