Features: Designed to targets your waist and core, helping you burn fat, tone muscles and get slim waist and strong abs. Nonslip standing surfaces of two pedals offer foot massage, comfort and make you stand more firmly. Stable design features a nonslip base that can support up to 150kg, ensuring a safe and quiet workout experience. Builted in quiet track, no noise. No need to worry about disturbing others. This twist workout machine is light weight and compacts, making it easy to move and store. Specifications: Materials: ABS engineering plastic, steels pipe, PP plastic Color: Blue/Pink Size: about 11.5x53x33cm/4.53x20.87x12.99inch Package Includes: 1pc Waist Twisters note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.