Blue Wave Trinidad Octagonal Cantilever Umbrella, 10-Feet, Cocoa Sunbrella Acrylic 10 ft. Octagon umbrella canopy with 8-ribs and single wind vent Bronze-colored anodized aluminum pole and frame Base pole clamp allows 360 degree rotation Sunbrella(R) Acrylic canopy fabric backed by 5 year warranty; 1 year warranty on crossarm style base Secure cross-arm with base or base weights (sold separately) or patio stones (not included)