【Versatile Seat Cushion】This 2-in-1 memory foam seat cushion features a thinner front and a thicker back to relieve pressure on the thighs while also serving as a lumbar support pillow to alleviate lower back pain during long drives 【Enhanced Perspective】With a thickness of 3.5 inches, this car seat cushion acts as a seat riser, providing several inches of lift to improve your driving perspective 【Ergonomic Design】Crafted from slow-rebound memory foam, this ergonomic seat cushion provides firm support while maintaining its shape for extended durability. The large zipper opening makes it easy to remove the cover for cleaning 【Comfortable Driving Experience】Perfect for drivers, this seat cushion offers improved visibility, better posture, and pain relief for both short trips and long journeys, making it an essential accessory for road trips 【Breathable Fabric】Designed with breathable material, this cushion ensures you stay cool and comfortable, even during hot weather Specifications: Size: 17.3 inches * 9.5 inches * 3.5 inches/44 * 24 * 9.5 cm Material: Mesh + Space Memory Foam