Specification Name: orthopedic seat cushion Material: memory foam Color: blue, black, gray Size: 45*36*13cm/17.72*14.17*5.12 inches DESCRIPTION PREMIUM QUALITY MATERIAL: This cushion is made of premium memory foam for superior durability and comfort, and maintains its shape and effectiveness over time. Posture Correction: The innovative "W-shaped" incision design promotes proper spinal alignment by relieving pressure on the tailbone and distributing weight evenly over your seating area. This helps prevent listlessness and supports the natural curve of the spine. MEMORY FOAM COMFORT: SERENESITZ is made of high-quality memory foam that adapts to the contours of your body for personalized comfort and support. Memory foam responds to pressure and quickly returns to its original shape, ensuring long-lasting comfort PORTABLE: The lightweight, portable design allows you to take it with you wherever you go. Whether you're at home, in the office or on the go, you'll be able to take the cushion with you wherever you go. EASY TO CLEAN: The cushion comes with a removable, machine washable cover that is easy to keep clean. Non-slip bottom ensures that the cushion stays firmly in place, providing a stable sitting experience Product List 1*Cushion