Memory Foam Car Seat Cushion: Our seat cushion for office chair is made of 100% pure premium quality memory foam with no additives, soft but firm, could relief butt pressure effectively from long sitting | Portable and Durable Office Chair Cushion: This chair cushion Pad has an anti-slip rubber bottom, side handle for easy carrying, and a machine washable zipper velvet cover for easy cleaning | Orthopedic Coccyx Seat Cushion: U-shaped design ergonomic seat cushion for office chair provides the best comfort while reducing pressure on the coccyx, tailbone and promoting well-shaped posture | Multi-purpose Desk Chair Cushion: Our seat cushion pillow is suitable for various seats on most occasions, office chair, car seat, desk chair at home, airplane seat , or wheelchair | Travel With Our Butt Pillow Pads : Use it as a car seat cushion, desk chair cushion, camping sitting or gaming chair butt pillow. It will be a great travel companion with you. Just always sit comfortably wherever you go