[100% Memory Foam Car Seat Cushion] The office chair cushion not only provide support hardness, but also give you with more soft comfort than donut pillow. Also can be used to improve bad posture while driving or sitting for long periods, enhancing your comfort while retaining its density. [ Seat Cushion] This back and seat cushion for sitting curved design minimizes pressure by cradling your bottom and providing evenly distributed support. Best back support and chair seat cushion [Works with Any Chair] So the back and seat cushion is suitable for office chair, computer chair, gaming chair, car seat, recliner, any home chair or a seat on bus, airplane or train. Our butt cushion is perfect for drivers, teachers, students, people with wheelchair,office workers, etc. [3D Breathable Washable Mesh Cover] Perfect gift for New years, birthdays, valentine's day, mother's day, father's day, weddings, graduations.