1. Multi-purpose seat cushion: The memory foam seat cushion is thinner in the front and thicker in the back, and the front of the seat cushion narrows to 1.5 cm under the legs to avoid pressure under the thighs. It can also be used as a lumbar pillow to fill the gap between the lumbar and the seat back to relieve lumbar discomfort caused by long-term driving. 2. Improved Viewing Angle: Our car seat cushions are perfect for people with smaller stature. Our car seat cushions are 3.5 inches thick and act as seat risers, 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 a longer life. Large opening zipper design, easy to remove the cover for cleaning. Breathable fabric keeps you cool even in hot weather. 4. Driving Comfort: This cushion size is 440 x 240 x 95 mm. It is the perfect driver's seat cushion (lumbar support pillow) for better