Material :PP+PVC Perfect to tone up abdominal,back,shoulder,chest and arms muscles. Ab Wheel exerciser helps tone upper and lower abdominal muscles, obliques, chest, shoulders, triceps, lats, back and arms for an 8 in 1 workout. Small enough to go anywhere, yet powerful enough to effectively work your abs and upper body in just 3 minutes a day. It allows the abdominal to be isolated, causing an ...