Comfort & SupportLumbar support pillow uses high-density memory foam to ensure strong support and enduring comfort. Office lumbar support for working, it relieves lower back pain and offers all-day comfort. Lower Back Pain Relief Lumbar cushion is an efficient solution to relieve back pain, give your back rest. Ergonomic design solves the space issue between the back and chairs, supports the back curve. Comfy lumbar support pillow for loved, family, and friends. Back support pillow makes their life, work, and driving experiences more enjoyable. Choose you SizeSize S: 14.9Lx 9W x 5.5H for students. Size M: 17.5Lx 10W x 5.5H for adults. Fits most chairs without taking up much space. Lower back pillow designed to not pushing the sitter forward and adapts to different heights, weight. Premium Quality Corduroy can be used for a long time, Soft, breathable and easy to clean; When you want to take a lunch break, put your face against the pillow, and the comfortable fabric