This product has a compact and lightweight design for ABS and core training at home or in the gym. Train without limits for optimal abs effect and shape.【Product Specifications】Product Name: Abdominal Wheel / Abdominal RollerFitness effect: beautiful legs/slim belly/healthy bellyApplicable people: beginners / unisexAutomatic rebound: yesHandle material: non-slip rubberProduct material: metalProduct color: whiteProduct size: 39.5*18.5*15cm (15.5*7.2*5.9in).if you areve any questions in the puchase, please contact us in time, we will solve your problems within 24 hours