Enfudid Car Seat Cushions for Driving - Memory Foam Car Seat Pad - Sciatica & Lower Back Pain Relief - Car Seat Cushion Road Trip Essentials for DriversErgonomic design: This ergonomic seat cushion uses slow rebound memory foam to provide you with firm support and keep your shape for longer life. Large opening zipper design, easy to remove the cover for cleaning. Breathable fabric keeps you cool even in the heat. Multipurpose seat cushion: The memory foam seat cushion is in the front and thicker in the back, and the front of the seat cushion tapers to 0. 6 inches below the legs to avoid pressure