Size:18*18*5 inches with extra width and height,excellent for people needing extra large support
ERGONOMIC DESIGN SPECIFICALLY TARGETS BACK PAIN: Sleep Science 360 degree patented ergonomic contour design promotes spine health, hugs and fits your back perfectly, providing full support and protection from tailbone to upper back, helping keep your spine in proper alignment, reducing risk of getting spine problems especially for office professionals and students.
100% PREMIUM QUALITY MEMORY FOAM: Sleep Science premium memory foam helps ease lower and upper muscle stress / back pain resulted from improper sitting posture or sitting in office chairs or car seats with inadequate lumbar support.
HYPOALLERGENIC, BREATHABLE COVERï¼šPremium velvet cover is removable and washable, making it easy to clean. With insert and strap, you can easily anchor this cushion to your chairs or your car seat.
GOOD QUALITY: Extra firm, excellent for those needing enhanced back support for better back pain relief.