Comfortable Lumbar Support Corduroy Chair Cushion, Creative Triangle Pillow for Home Garden Chair and Sofa, Blue This triangle cushion is designed to provide a soft support for your lumbar, reduce the fatigue while working, reading or watching TV. The triangle shape makes it steady and comfortable, suitable for bed, sofa, office chair or car seat. Very useful product during pregnancy as well. Totally Washable: The removable cover(with zipper) and cotton filling is totally washable, easy to keep clean. Made by high quality materials, cover is corduroy and filling with pearl cotton. Small:40cm x 25cm x 20cm; Big:60cm x 50cm x 22cm