SIZE: 45*40*10cm Our Office Chair Cushion Makes Sitting More Comfortable: Made with pure heat responsive memory foam, our lumbar pillow adjusts to the contours of your back, providing the lumbar support your current chair lacks Improve Your Work Productivity with Our Chair Cushion for Back Pain: Most chairs lack proper back support, causing discomfort. Our chair back support relieves pressure and pain in the upper, middle, and lower back so you can better focus on the task at hand Effective Chair Support for Better Posture: Seats designed without enough support lead you to sit hunched over. Our lumbar support pillow for chair provides a soft, comfortable area to rest your back, improving your posture while keeping the spine properly aligned Attach Our Chair Pillow For a Better Sitting Experience: Unlike other flat, low quality back pillows, our lumbar support pillow for office chair has an ergonomic contoured design that mimics the natural curve and shape of your back for better support Versatile Back Pillow Fits a Variety of Chairs