About this item ADJUSTABLE SIZE: Waist hoop 24 section diameter. Upper limit 106.65cm / 41.99in, magnet buckle, size can be adjusted at any time.Its gravity ball is fillable. 2 IN 1 FITNESS AND MASSAGE: Smart Hoop can Quickly Consume Body Fat and Eliminate Fatigue, weighted loss. You will Get the Ideal Figure. At the Same Time, For Those Who Have Been Sitting at Home in the Office for a Long Time, You Must Use this Product if you Feel Backache. You can not Only Get Exercise but Also Massage Your Waist to Achieve a Relaxed State. REMOVABLE DESIGN: It consists of 24 detachable parts, which can be disassembled by pressing a button. You can choose your own hoola hoop according to your waist circumference. The hoola hoop can be adjusted to 15 to 24 parts according to the waist circumference. These parts are easy to disassemble and easy to store. SOFT AND COMFORTABLE: 360 Degree Massage Circle Soft hoop allows you to exercise comfortably Fat Burning Faster - 2-3 times faster Burning Fat than normal hoop.30 minutes a day to strengthen your Waist.Wear tight clothes when using Smart hoop to maximize the effect of hoop. WIDE APPLICATION: Hura hoop is the easiest and most interesting way to exercise. It burns fat, makes the waist slim, suitable for aerobic exercise, helps to lose weight and get the most relaxing effect. It can be used by children and adults. It is an ideal tool for massage and fitness. So you don't need to go to the gym, you can easily exercise anytime, anywhere.