MULTI-USE CUSHION - The Memory Foam Seat Cushion is thin in the front and thick in the back. The seat cushion's front end tapers to 0.6” under the legs, preventing pressure under thighs. It can also be used as a lumbar support pillow to fill the gap between the lower back and the seatback, relieving lumbar pain caused by long-time driving. IMPROVE VIEWING ANGLE - Our car seat cushion is perfect for short people. With a thickness of 3.5", our car seat pad acts as a seat riser, providing several inches of lift to improve your viewing angle. HUMANIZED DESIGN - This ergonomic seat cushion has slow rebounding memory foam, giving you firm support and keeping its shape, which leads to a longer service life. The large opening zipper design makes it easy to remove the cover for cleaning. The breathable fabric can keep you refreshing even in sweltering weather. MAKE DRIVING COMFORTABLE - Size of this pad: 17.3in*10.5in*3.5in. It's the perfect driver seat cushion (lumbar support pillow) for better vision, better posture & pain relief on short or long car rides,is a road trip essential. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store