Ergonomic curved contour fits natural spinal curve to ease lumbar strain during prolonged sitting. High-density memory foam softly compresses and rebounds to maintain consistent back support all day long. Breathable outer cover enhances air circulation and prevents overheating for comfortable year-round use. Detachable zipper cover can be removed and cleaned conveniently to keep cushion hygienic. Perfectly fits office desk chairs, automotive seats and home sofas for daily fatigue relief. | NESTLUNE Memory Foam Lumbar Support Back Cushion Pillow in Black | Size: 100 cm x 190 cm