Sleep better, align your spine and reduce lower body pain with the Carex Knee Pillow. The knee pillow for sleeping is made with premium quality memory foam that reacts quickly to provide instant relief and recovers slowly for long-lasting support. It is ergonomically designed to provide spinal alignment to help reduce lower back and leg pain - an ideal choice for comfort and increased support during and post-pregnancy. The knee elevation pillow comes complete with a soft, removable cover for easy machine washing.