1、 Multipurpose seat cushion: The memory foam seat cushion is thinner 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 under the thighs. It can also be used as a lumbar pillow to fill the space between the lumbar and the seat back to relieve lumbar discomfort caused by long-term driving. 2、 Improving viewing angle: Our car seat cushions are perfect for short people. Our car seat cushions are 5 inches thick and act as seat lifts, providing a few inches of lift to improve your viewing angle. 3、 Ergonomic 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. 4、 Driving comfort: This pad size is 440*240*95mm. It is the perfect driver's seat cushion (lumbar support pillow) for better vision, better posture, and relief of discomfort during short or long car trips and is a must for road trips. 5、 Perfect gift: As a thoughtful gift, give this mat to your loved one to easily face different scenes and enjoy life.