SIMPLY FIT BOARD® is the workout board with a twist! Just stand on board and twist for a fun, easy and effective way to get fit in minutes a day. Basic twisting motion and other exercises help to tone and strengthen your abs, legs, and more. Board is portable and lightweight, but strong enough to support up to 400 lbs. Exercise mat helps keep board in place and protects your floor! Mat measures 25-1/2“ L x 18” W.