Acu-Hoop Pro is composed of a Hula-hoop with the addition of acu-pressure balls on the inner ring of the Hoop, The acu-pressure balls of the hoop have a therapeutic effect when you use it, helping you get in shape, strengthen your abdomen and lower back while improving your blood circulation, Acu-Hoop provides a fast, fun and slimming workout, Get a great workout and massage in the comfort of your own home with the Acu-Hoop Pro!Features include:, Burn 100 calories every 10 minutes, 14 massaging magnetic balls, 21 massaging balls, Dimensions: 38, 5 x 38, 5 x 1, 5 inches, Includes retail packaging SKU: TC80-JF070