Specification: Dimensions: approximately 48 24 13 cm Weight: 450 g Colour blue Cover: zipper,machine washable Material: memory foam,pearl cotton (inside),polyester (cover) Packing list: 1 * pillow ERGONOMIC DESIGN Our lumbar support cushion adapts to the contours of your lumbar spine,giving pretty good lower back support and reduces driving or working fatigue for the spine. Office chair back support is perfect for someone who spend a lot of time on driving and sitting,especially for office staff,drivers,pregnant,or senior. IMPROVE AND PERFECT YOUR POSTURE Our lumbar pillow cushion your back's curve to achieve perfect spinal alignment and promote a healthy posture. Use this backrest as a posture corrector to help with alignment and relieve pressure while driving your car or sitting on your office chair at work. Protects you from sitting wrong in harmful positions. UNIVERSAL FIT Due to our universal contoured structure,memory foam back lumbar support pillow is designed to fit most standard chairs and car seats. Whether as chair back support cushion for your airplane seat,lumbar support for car,or as back support for office chair,desk chair,computer chair or wheelchair,the lumbar support offers top comfort anytime.