• Lightweight, and travel friendly, this abdominal roller wheel is great for travel and athletes who are on the go. • Made of environmentally safe materials, it is perfect for a full range of motion fitness routine. • Powerful ab workout • Defines upper, middle, lower and oblique abs • Get an attractive waist and defined abs 4. 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 • The set includes: Revoflex Xtreme, Carry case, Exercise guide • Material: EVA, ABS/PP, latex