Sample of Robert Allen Sunbrella Contract Optima Citadel 222229 Upholstery Fabric offers a close look at this dark navy ribbed design with subtle horizontal stripes. Made from 100% solution dyed acrylic, the performance fabric stands up to indoor outdoor use, including marine grade conditions with UV resistant properties. Its Duragard finish treatment enhances durability for patio cushions and furniture. This sample lets you assess the Optima Citadel pattern's texture and color in person, giving confidence for your outdoor living upgrade. Ideal for upholstery projects, the Contract Optima fabric delivers 30,000 rubs and light fastness of 1500 hours Class 4.5, repeating left to right up the roll.