Ergonomic design provides backrest positioning support for the back, neck, and lumbar when reading or watching TV. It helps maintain the correct posture and can relieve back pain. It also functions as a leg elevation cushion to relieve veins, calf pain, varicose veins, and swollen legs. Skinfriendly and soft materials: waterproof cotton and linen cover that is smooth, breathable, and wear resistant. The cushion is filled with elastic pure cotton for good resilience and softness, retaining its shape for a long time without flattening. Durable and suitable for all seasons. Decorative cushion: button detailing adds a three dimensional effect. The back cushion cover features a retro and unique design, bringing decorative elements to any room. Widely used with multiple sizes: available in multiple sizes to fit different settings. Suitable for bedside, sofas, bay windows, tatami, children's playrooms, offices, and any place to lean on. Also makes a thoughtful gift for family and friends. Usage scenarios While in bed or on a sofa or bay window, use for reading or watching TV to support the back, neck, and lumbar. Use as a leg elevation cushion to relieve swollen legs, varicose veins, and calf discomfort. In offices, living rooms, or children's play areas as a versatile back and seating cushion that enhances comfort and dcor.