12 sections: suit for waist is less than 50cm,just suit for the kids (Weight less than 40kg)
18 sections: suit for waist is less than 90cm(Weight less than 65kg)
21 sections: suit for waist is less than 100cm(Weight less than 90kg)
24 sections: suit for waist is less than 130cm(Weight less than 120kg)
2 in 1 Fitness and Massage：Compared with the traditional hoop, the upgraded smart hoop is easier to use and will never fall, even the beginners can use it. When using this hoola hoops, body will be burned quickly, physical fatigue will also disappear soon. The 360-degree shock-absorbing massage ring allows you to exercise comfortably and relieve the labor pain in the lower back who have been sitting for a long time. Fat burning faster 2-3 times than the normal hoop.Detachable Design：‘Consisting of 12/18/21/24 detachable parts, detachable with a simple push of a button. you can choose your own hoop according to your waistline. The sizes are suitable for different waist circumference which fits most sizes and shapes. The sections are easily detached, making it easy to store.
Upgraded Adjustable Exercise Intensit：‘Made of hard ABS plastic to prevent equipment aging.And different from the ordinary smart hoop, the user can change the number of weight-bearing blocks in the weight ball according to their own bearing capacity, and thus change their exercise intensity. At the same time, the intensity of exercise can be changed by adjusting the length of the rope.
Quiet Bearings：The upgraded 360-degree silent rollers can even and flexible rotate, making the smaller noise and smoother rotation. With this comfortable experience, we recommend you exercise 30 minutes per day for 5 days;then you can burn up to 800 calories each time!
Applicable People and Attentions：Almost suitable for all adults and kids but not the elderly or baby. Before exercising, ensure the hoola hoop linking done and wear the close-fitting clothes; When exercising, pay attention to the swing range of the weight ball to avoid touching others or the furnitures. At the same time, it should not be too heavy when it is used for the first time.