Ruby Back Care Cushion maintains the natural lumbar curve with added lateral support ensuring correct posture which aids in reducing lower back pain and associated symptoms. Removable washable cover with an adjustable strap for secure fitment Ideal for office or home environment. • Helps relieve aching backs, lower back pain, tired legs • Supports and maintains the natural lumbar curve of lower back • Designed to reduce lower back and muscle tension while seated in your office, car or home