... KING-FITNESS PRODUCE FOR AB wheel,AB scooter,AB ROLLER,SPORTS wheel,sport wheel,AB FITNESS,exercise wheel CHINA KING-FITNESS FACTORY SPECIALIZE ... PRODUCE FOR KF-ABW-02 AB wheel,AB SCOOTER,scooter,SPORTS wheel,sport wheel,exercise wheel,SpecificationsFeatures: 1) Mail function: belly-healthy ... . It also comes with a free mat to be used under your knees for added comfort and support. As ...