Design: This twister board is a new kind of home fitness equipment. Our ab trainer machine makes exercise and fitness more fun and convenient. Just put your feet on the twister exercise board your waist to get a good workout. Full-Body Movement: This waist twisting disc utilized the principle of intermittent resistance movement to keep in shape more efficiently. It's a full-body movement, with just a little twist and the whole body turns. Our waist trainer trimmer not only does it articulate joint but also workout your abdomen, buttocks, legs, arms, hips, back, kegel, etc. Shape comely body after using our products, you can. Compatible Body: This ab twist board uses a split design, It can be used with resistance bands. Our ab workout machine offers a variety of exercise options, such as planks, squats, lunges, pushups, etc. Firm and Stable: This waist twisting disc made of environmentally friendly high strength materials. Our ab workout stimulator has unique hexagonal structure, more slip resistant and more stable, suitable for any floor. Size: 24*29.5cm.