Slim Hula Hoop

New concept Hula Hoop to get a slim bodyConsists external PVC spring and internal steel spring, adjust it's extension or contracting depending on the direction of it's rotation as you desireBy dint of the principle of spring motion you may feel squeezing at your waist tightly as if you are receiving massage.A complete solution of your abdominal fatness.Tightens your stomach and displays amazing power.By utilization of principle of elasticity, rotation and flexibility Slim Hula Hoop will burn off fat while you have fun of exercising.Put it around your waist or neck when running, it will creat an incredible diet effect.Enables variety of stretching exercise too.The portable design allow you use it anywhere and anytime. product offered by Intop Technology Co., Ltd.