The J3 Back With Cushion is a lightweight and machine washable back support made from a combination of nylon and sponge materials. It features a removable zip cover for easy cleaning and maintenance. Designed by the reputable brand J3, this black cushion is perfect for providing comfort and support for those looking to improve their posture and alleviate back pain. With its origins in China, this sleek and practical product is a must-have for anyone seeking relief and improved mobility.