Easykart Universal Black Back Support Lumbar Support (Free Size, Black) Back / Lumbar Support  (Black)

By giving your back a little extra support, you could help improve your posture and enjoy more comfort in your seat. This is the simple way to help align your spine when sitting, as well as allow cooling air to circulate. Simply slip sit right over the back of your chair and you'll instantly feel the difference. The spring cushion effect gives valuable support and added comfort, while the mesh grill acts as a vent to keep you cool. Raised spheres provide an extra special massage feature, so you go from seat to treat in no time at all. Perfect for long hours of sitting, while traveling, working, watching television, sewing, scrapbooking, reading and more. You'll want several, for the office, home, car and RV.