- Never Fall Off: The upgraded Smart quiet weighted hoops are easier to use and never fall off. As the weighted fit hula rotates rapidly, the massage head (stronger spring and upgraded massage head with 416 massage points) will deeply massage your muscles, helping you loss weight & eliminate fatigue quickly. In particular, our weighted hoops are especially suitable for women who train for postpartum waist training & working people who sit in the office for a long time. - Upgraded Quiet Fitness Hoops: The latest upgraded model of the silent Infinity fitness hoops, between the Detachable Knots not only increased the buffer layer but also upgraded the rollers material, significantly reducing the noise(only 40 decibels). According to the decibel meter calculations, our hula can reach one-third of the current market intelligent weighted hoop decibels. - Detachable Design Weighted Hoop: Fits All Shapes Body Weighted Hoops consisting of 32 knots, a maximum diameter of 65 inches, detachable w/a simple push of a button. you can choose your own hoops to exercise according to your waistline. The weighted exercise hoops for training can be adjusted up to 32 knots. The knots are easily detached & are easy to store. - Weight Loss: This infinity fit hoops for exercise is a comfortable, effective, and fun way to burn up to 600-800 calories in an hour. This weighted excise hoop offers more complete and entertaining workouts. Start hooping, burn more calories, and get your desired figure.