about this project Massage Design: The fitness hoop helps to defecate and lose weight better, because it has a convenient massage design, which can create a slim figure for you. Adjustable Waist Design: The workout hoop saves space, can be adjusted according to waist size, light weight, strong buckle design, each part is easy to install and remove. Balance ball: It adopts a spherical design to achieve scientific weight balance, so that your waist is evenly stressed and will not be sprained. Lose weight fast: A 5-minute workout is equivalent to a 45-minute run. Weighted Hoop only needs to turn the fitness machine to let the ball slide according to the inertial trajectory. Wide application: Waist exercise circles are widely used, such as home, office, sports field, gym and other places. It is a fitness tool that can be used by adults and children describe: We choose hard ABS, which can effectively prevent equipment from aging and help prolong the service life. This beginner workout is very easy to use. Wear it on your waist and it won't fall off when you exercise. It is recommended that you use it for 30 minutes a day and burn a lot of calories with each workout. A quiet beast and a heavyweight with a ball that rotates 360 degrees around you as you move. Connected to it are 2 sets of silent bears, which can still rotate flexibly during high-speed rotation, with low noise, giving you a comfortable exercise experience. The size is adjustable, suitable for various body shapes. The freely disassembled and spliced component buckles make each component firmly connected together, and the operation is very simple. Of course, you can also adjust the exercise circle according to your needs. feature: Material: ABS Product size: inner diameter 32cm/12.6in below 60kg; inner diameter 40cm/15.7in below 90kg packing list: 1*Smart Weighted Fit Hoop