... hoop eco friendly Easy assembly and detachable CE approval,super slim,slim body 100% satisfaction guarantee fitness hula hoopRainbow Ball Fit Hula HoopOutter ... front to back strengthens your waist and also balances your body.While turning the hula hoop, if you shake your hands ... down,you will increase the amount of aerobic and whole body exercise.For the first time users, you may see bruise ...