Upgrade & Unique Back Support Pillow - If you spend a lot of time sitting on office chair, gaming chair and driving in car, this lumbar pillow will perfectly help you. The back support for car is designed ergonomically to relieve upper, mid and lower back pain and back tightness, support you to achieve a healthy posture and helps maintain the natural curve of the spine.Never flattens out - lumbar support for car adopts High density, thick, durable fabulous and precisely molded memory foam which insures a firm comfy fit and enhance your comfort while retaining its density. The chair pillow can provide enough supportive and more comfortable than lumbar roll or mesh back support, and can also be used as maternity pillow or as back pillow wedge during pregnancy. Ideal for drivers, teachers, students, people in a wheelchair, office workers, and elder etc.Hold in place - Unlike other low quality office chair pillows on the market, the new lumbar cushion has an adjustable strap and extension strap, so will keep your desk chair support in place no matter how much you move around, and two extension straps will make the backrest secured tightly on any office chair, desk chair, computer chair, sofa, couch, car seat, SUV, truck, wheelchair and recliner or other bigger chairs home office accessories.Breathable & 3D mesh cover - With removable and machine washable mesh cover, this wheelchair back cushion can keep air circulation well and always keep you back cool and comfortable, dry for the best experience, so sweat and moisture doesnメt fill it up, suitable for all seasons.