Get a flat stomach fast! This hula hoop has a weighted ball that adds extra challenging momentum to your workout, and the diameter of the hula hoop can be adjusted so you can easily adapt it to your workout. Give your stomach some extra training with our exercise hoop, which has a weight that makes the training both challenging and fun. In addition to giving your stomach a good workout, you also test your back muscles and coordination as you keep the hula hoop moving around your waist. Details of a smart hula hoop with weight: Adjustable for everyone - regardless of body shape (24 segments) Attach it around your waist and swing it No hoop falling off No soreness or bruises when swinging Provides a nice and strong waist Easy to get started High energy consumption Easy to adjust Ball bearings with 360º sliding rotation Train and massage your stomach at the same time. Easy to assemble and take with you on your trip The package contains: Hula hoop with weighted ball Manual