HELP REDUCE BACK PAIN - extended periods of time at the office, at home, or on the road can lead to serious back pain. Sitting too long can be detrimental to your spinal health, distorting spinal curves, compressing discs, and creating pressure on the spine. All of this can lead to pinched nerves, numbness, tingling, and back pain. Help protect and maintain proper posture by using the Sitback Rest lumbar support cushion WORKS WITH ANY SEAT - Ease lower back pain and discomfort by adding the Sitback Rest lumbar support cushion to your office chair, car, truck, wheelchair, or most any seat. This cushion is comfortable to use, yet firm enough to provide proper back support and help improve posture while sitting CONTOURED FOAM - will support the lower back and the wings gently hug your sides. The attached positioning strap is adjustable to secure the cushion in place on most chairs or automobile seats DURABLE MATERIALS - Unlike elastic straps that quickly fail, our positioning strap is made from durable webbing material and a plastic buckle that will withstand years of use. Simply place, buckle, and sit. Whether you’re working long hours at the office or at home, taking a road trip, or relaxing, this cushion provides back support and comfort, so you can focus on what matters most to you. Size: 13" x 14" x 5", with positioning strap, Made in the USA. Does not contain latex