... (our newest product): 1) Material: PVC 2) Weight: 1,500g and 1,600g 3) Color: red, Gym roller ball (our newest ... : 900g3) Color: red, yellow, blue, white, black4) Used to strengthen and tone muscles and bones of the hips, back, legs, hands, arms ... ) A great exercise alternative for any age and fitness level7) Washable and easy to care for8) Air pump included Packing:1pc/color box ...