Welcome to the shop! Hold posture correction: The innovative "W-shaped" hollow design promotes proper spinal alignment by removing pressure from the tailbone and evenly distributing weight in the seating area. This helps prevent hunchback and supports the spine's natural curve. Memory Foam Comfort: Made with premium Memory Foam that conforms to your body shape, providing personalized comfort and support. The memory foam reacts to pressure and quickly returns to its shape, ensuring long-lasting comfort. Portability: The lightweight and portable design allows you to take it with you. Whether you're at home, in the office, or traveling, you can easily carry and use the cushion for comfort and support throughout the day. Easy to keep clean: The cushion is removable and machine washable, making it easy to keep clean. The non-slip bottom ensures the cushion stays securely in place, providing a stable sitting experience. Color: Navy Blue Material: Memory Foam Package Contents: 1x Seat Cushion Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowable measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!