This weighted magnetic fitness exercise massager. Hula Hoop is well designed and tested for adult and teenager to keep them fit. Just Play 10 minutes daily with this Hoop and it trim your waist up to 2 inches and lose 4 lb weight every month, keep using the exercise until you get fit. It is designed to Work on the lower body parts - hips, thighs, lower abs and muscular Basin Thighs.The Unique wavy design inside the hoop helps the hoop stay on your body easier and provides a better workout for your muscles. It is Smooth and comfortable to use and make your waist slim week by week. Useful for workout and massage.