SEAT CUSHION Non-slip rubber bottom, built-in handles for easy transport, and easy-to-clean machine washable zippered velour cover. Made of premium durable high-density memory foam for superior comfort. CAR SEAT CUSHION The ergonomically designed seat cushion provides maximum support and comfort while reducing pressure on the coccyx and promoting a healthy posture, providing lower back pain and sciatica relief. OFFICE CHAIR CUSHION Great for Office Use, Driving and Traveling - Helps recover from lower back problems, herniated discs, coccyx injuries, sciatica and other spinal problems. SEAT CUSHIONS FOR OFFICE CHAIRS Whether you're in the office or driving, this comfortable cushion is perfect for you. It gives you the extra support you need to maintain good posture and the natural curve of your spine.