The smart hula collar can quickly consume body fat and eliminate fatigue, especially for people who sit at home or in the office for a long time. 2. 360° slim body: Smart loop burns fat three times faster than a regular ring. If you do this for 30 minutes, five times a week, you can burn 800 calories. The beautiful waist is pulled to the stomach/thin leg and beautiful legs/thin arm/narrow hips, it is a good companion for a slim body. 3. 360° soft hula hop massage allows you to feel relaxed, massage the abdomen to promote digestion and secretion, and will have a good effect on weight loss. 4. Compared with traditional ones, the smart hula hop collar will not fall off, which solves the problem that beginners will not use. It features a massage function to relieve labor pain in the waist. 5. Hula ABS plastic collar has 24 sections, max. 132 cm / 52 inches, the size can be adjusted at any time. But a traditional hula hop collar can't do that. 6. The length of the ball bar is 31cm, you can adjust its length according to your need. 7. A gravity ball with iron sand, weighs about 0.8 pounds, the weight is very good for most people. 8. This hula hop collar can be used as resistance training, fitness equipment, body and health massage products.