The Sun Master seriesf from California Umbrella feature fiberglass ribs for added strength and flexibility and collar tilt for ease of use. The collar tilt makes it easy to tilt the umbrella to almost any angle creating a wall between you and the sun. With 57 sq. ft. of coverage, this umbrella will keep you and your guests cool as you dine or relax. The Sunbrella fabric is unmatched in durability with a 5 year warranty against fading. Call for available additional fabric and frame colors.