Specification Resistance workout at home. Wheel handles with elastic bands for arm workout Lunges and kicks to firm butt. Rolling to strengthen core Material: plastic and rubber Helps you expand chest, back, arms, shoulders and abs in one motion. Work your upper, middle, lower and oblique abdominal muscle. Condition: 100% Brand NEW High Quality Material: ABS+PP+EVA Size:41*15*5cm Features Powerful ab workout Defines upper,middle,lower and oblique abs Get an attractive waist and defines abs Just 5 minutes a day 6 training levels Develops your chest,back,arms,shoulders and abs in one movement Shapes your body quickly and easily without effort Assisted bidirectional power technology So compact you can take it anywhere