Specifications: Applicable:Suitable for all adults and children. Size:Removable adjustment Product introduction: Easy to use: Increased smart hoola Hoop Compared with traditional hula hoop, this hula hoop will not fall off and solve the problem that beginners can't use. 24 parts are freely adjustable: The smart hula hoop has 24 parts, with magnetic buckles, which can be fixed together freely to fit your waist size. It can fit the abdomen in all directions, so that every part of you can fully feel the fat burning. Quality: Made of lightweight ABS plastic. Connect between each nodule. 360-degree round and thin body: Smart hula hoop burns three times as much fat as ordinary hula hoop. If you do it for 30 minutes, 5 times a week, you can burn 800 calories. Applicable crowd and attention:Almost suitable for all adults and children, but not suitable for the elderly or babies. It is not recommended to use this product before and after meals, it is best to start exercising after one hour. Before exercising, make sure that the Hoola ring is connected and wear close-fitting clothes; it is best to find a relatively open place during exercise. Please pay attention to the swing range of the weight ball to avoid accidental injury to others. No Falling 2 in 1 Fitness and Massage:Compared with the traditional hula hoop, the upgraded version of the smart hula hoop is easier to use and will not fall off, so even beginners can use it. When using this kind of hula hoop, the body burns quickly, and body fatigue disappears quickly. They can also massage your waist to help you relax. One product has two functions: side movement and side massage. Packing includes: 1 x Hula hoop