360 degree vibration absorption massage ring, let you comfortably exercise, relieve the pain of sedentary lower back. Smart hula hoops are easier to use and don't fall off, even for beginners
With 24 detachable links/knots to fit all sizes from petite to plus sized.This product is suitable for all ages
The waist is more comfortable. Massage your core muscles.
First,adjust the number of weighted fit hoops knots according to your waistline. Second,button up the lock. Third,adjust the length of the rope and twist the waist to make the ball turn.
