quality fabric and comfort The backrest positioning support cushion features a cotton and linen cover with a central fill of density thickened sponge. The large headboard pillow design helps you sleep more soundly at night and stay energized during the day. Multifunctional pillow for versatile use Use it upright as a back pillow, place it on the bed as a regular pillow, or employ it as a leg pillow to elevate your legs. It can also function as a long wedge pillow when sleeping on your back or on your side. Back support and posture improvement The hanging headboard pillow adopts an ergonomic curved design to reduce pressure on the back and shoulders. It provides support and comfort when reading or watching TV, delivering scientific back support and helping to improve sitting posture. Easy to clean and versatile styling The pillow includes a zipper for a removable cover that is machine washable. It is available in a variety of colors and styles to suit different decor and preferences. Usage scenarios Reading or watching TV in bed or on a couch: position the pillow behind your back for stable lumbar support and comfortable seating. Back or side sleeping: use the pillow as a long wedge to support the spine and alignment while in bed. Leg elevation and circulation: place the pillow under the legs to raise them and promote comfort and circulation. Materials and care Cover: cotton and linen fabric Fill: density thickened sponge Care: removable cover with zipper, machine washable Colors and styles: multiple options available