Ergonomic design for bed backrest support: Provides neck and lumbar support when reading or watching TV, helping maintain the correct posture and relieving back pain during relaxation. Also functions as a leg elevation cushion to ease veins and muscular calf pain, varicose veins, and swollen legs. Skinfriendly and soft materials: The cover is made from waterproof cotton and linen, offering a smooth, breathable, and wearresistant surface that feels delicate to the touch. It is filled with elastic pure cotton, providing good resilience, soft support, and longlasting shape retention. Durable and suitable for all seasons. Decorative cushion: Button detailing adds a threedimensional look, while the back cushion cover has a retro, unique style that enhances the decor of any room. Widely usable and versatile: Available in multiple sizes, suitable for a bed, bedside, sofa, bay window, tatami, children's playroom, office, and other spaces where you want to lean or rest. A practical addition to any room and a thoughtful gift for family and friends. Use scenarios: In bed or on a couch for reading, watching TV, or relaxing, providing neck, back, and lumbar support and optional leg elevation. At a desk or in a lounge area to promote better posture during breaks, with the cushion serving as a comfortable, versatile support. In a child's playroom or on a tatami area for lounging, offering a soft, supportive seat that also enhances room decor.