The Riva umbrella from Paradise Cushions by FiberBuilt is now available in a 13-foot diameter to provide shade over an even greater area. The 13-foot model features 0.75-inch–diameter fiberglass ribs and a one-piece, 2-inch–diameter pole in white, bright aluminum, champagne bronze, and black finishes. A wide selection of marine or furniture-grade, solution-dyed acrylic fabric is available.