About this item [Ergonomic and Contoured Design]:Back pillow update adding two firm and comfortable waist lines to the middle support area,give your back a firmer and more favorable support.It aligns your back while protecting and strengthening your muscles gently, help alleviate the pain and discomfort associated with lower back soreness, injury, chronic condition, or simply add more support for those who sit for long periods at work or long time driving [High-Density Memory Foam]:Back support pillow adopt premium and precisely molded memory foam and will never flattens out.High-grade memory foam and cooling gel materials,firm support are all designed to gently hold you in the correct position, alleviating pressure and stress on this sensitive area of the body. It can take the natural contour shape of your back and curve perfectly and provide comfortable back support,so as to soothe your fatigue [Removable and Washable Breathable Cover]:Chair back support with fabric zippered cover is removable and can be gently washed by hand or machine,the easy-clean cover means that you no longer need to worry about getting your back pillow dirty.Mesh breathable cover keeps air circulating,so sweat and moisture doesn’t fill it up, to keep you cool and comfortable all day.Extra inner cover to avoid memory foam pillow polluting by sweat and dust [Adjustable Straps and Wide Application]:Lumbar support pillow there is an adjustable straps to keep this Orthopedic backrest for chair in place and prevent the back lumbar from sliding down.Simply wrap the straps around the back of whatever seat you’re in and click the strap closed,disassemble is also easy.It’s perfect to use in most office chair,car seat,computer chair, desk chair,armchair,couch,wheelchair and recliner seat [Support Back and Waist]:Lumbar support for office chair and car seat will provide extra support for your back and waist, help to relieve your upper, middle and lower back and lumbar pain while you driving or sitting for a long time,so it is the best gift for office worker and driver