Feature: 1. Automatic rebound design - The roller is designed with easy sliding automatic rebound technology to reduce wheel swing and help you control movement. 2. Exercise the whole body - upgrade two-wheel automatic rebound, triangular structure, stable and safe, in line with ergonomics. Double spring strong rebound design enhances the strength and clarity of your abdominal muscles, back, arms, chest and shoulder muscles. It also helps to burn calories and build a better body. 3. High quality - automatic rebound abdominal wheel is made of stable, environment-friendly plastic and sponge, which is anti-slip, sweat-absorbing and comfortable. It also has automatic rebound function to increase security. The handle is easy to remove or install and more convenient to carry. 4. Automatic rebound abdominal roller - abdominal roller can be used to crush fat and help you shape your body. It can help stretch and exercise the abdominal, arm, chest, shoulder and back muscles, and obtain six abdominal muscles. The exercise wheel will help strengthen your core strength. 5. The intimate mobile phone bracket - the automatic rebound belly wheel integrates a mobile phone bracket. If you are a beginner, this bracket can help you watch the teaching video more easily, and you can watch and practice while watching. As your body gets better, you can put your mobile phone on the shelf to play sensational music. Material: PP+TPR Color: blue, red, orange, light blue Size: 37 * 25cm, Wheel-10cm Package size: 26 * 17.5 * 12CM Product list: fitness roller * 1, cushion * 1