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 and eliminate fatigue quickly. In particular, our weighted hoops are especially suitable for women who train for postpartum waist training and 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. Make your ears more comfortable, can be used anywhere.