Features: The twisting disc feature a large step area and adjusted rope length, ensuring safety and suitability for users. It is very suitable for individuals seek to shape their abdominal muscle and relieve discomfort and improve digestion. Use the twisting disc at yours home, during breaks, and for relaxations. Perfect for morning routine and evening exercise. Embraces a healthier lifestyle with the twisting disc. Take its along on travel and business trip to stay committing to yours fitness goal. The waist twisting disc feature antislip textured buttons and bungee rope with handle for better arm training. Specifications: Materials: ABS, Steel, Magnets Color Options: 6 Color is Available as Show in the Picture. Package Weight: about.640g Diameter: about.25cm/9.84in Package Includes: 1 Set of Waist Whispers note: Please allow 1-2cm error due to manual measurement. Please make sures you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual colorful of that item. Thanks!