1.This is a device for weight loss and tummy reduction, which is helpful for health, simple operation and convenient product design Massage fitness twist a waist dish like a cant move the skateboard and acyclic hula hoop, small footprint, easy to use, easy to practice.2.Size: 9.8L* 1.0H inch. Biggest bear weight:85KG(180 lb) Twist your way to slimmer abs, hips, and thighs, Stimulates blood circulation; Massages the feet.3.Effectively burns calories and combines the benefits of aerobic exercise with reflexology. The magnetic wave disc will massage and stimulate meridian points on the bottom of the feet and help promote good health.4.Precision ball-bearing ride for smooth, fluid motion, High-impact, rotating platform provides a vigorous form of aerobic exercise.5.Stimulates Blood Circulation -- Combines the principles of reflexology, exercise and magnetic therapy to produce an overall effective exercise system.