Robert Allen Sunbrella Contract Optima Citadel 222229 Upholstery Fabric features a dark navy ribbed texture with subtle horizontal stripes, crafted from 100% solution-dyed acrylic for indoor-outdoor and marine-grade performance. This durable, UV-resistant, fade-resistant, and stain-repellent material stands up to weather, mildew, and daily use on patios, decks, or boats, making it ideal for furniture like sofas, chairs, cushions, sectionals, ottomans, chaises, benches, and lounge pieces. Its breathable, woven construction with Duragard finish treatment supports vertical applications such as curtains, awnings, canopies, pillows, headrests, and armrests in residential, commercial, hospitality, and outdoor living spaces. Designed for year-round versatility, the fabric's textured solid pattern with contemporary elegance enhances sofas, chairs, and patio decor, offering long-term quality for reupholstering or new projects in modern, traditional, casual, or elegant styles.