The World's Best Patio Umbrella! PATENTED FRAME CONSTRUCTION. 7 foot (84") vented canopy arc. 6 sections fabric: High-density coated 8oz polyester -- Extra heavy fiberglass ribs. Safety opening device (Runner). Aircraft aluminum 38mm O.D. 8 sided pole. 1 PIECE MIN AVAILABLE, inquire for price! Bases sold separately, styles: SB-9230 white plastic, SB-9200 aluminum, SB-9260 black plastic free-standing. Replacement canopies available, as are custom colors, please inquire for details.