Back support for office or car seat backrest memory foam high quality memory foam for comfortable support, fits your spine. breathable mesh fabric, keeps your back cool, great for most seats. relieves lower back pain and discomfort, promotes proper posture 2 straps on back to secure to most seats, not easy to move. suitable for office workers, drivers, pregnant women, incorrectly seated people, etc. car lumbar support pillow soft memory foam relieve back pain seat lumbar support suitable for car interior accessories.