Featrues 1. 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 chair 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. 2. Never Flattens Out: Our lumbar support for office chair 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. 3. Hold in Place: The lumbar cushion has an adjustable elastic straps, so they will keep your desk chair support in place no matter how much you move around, and will make the backrest secured tightly on any office chair, desk chair, computer chair, sofa, couch, car seat, wheelchair and recliner or other bigger chairs home office accessories. 4. Breathable & Washable: With removable and machine washable cover, this 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’t fill it up, suitable for all seasons. 5. Wide Application: The waist pillow 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. Specification Material: Polyurethane Color: Blue, Green, Pink Size: 43×36×13cm Weight: 487g Package Include: 1× Waist Pillow