California Umbrella 11' Round Aluminum Market Umbrella, Crank Lift, Collar Tilt, Sand Pole, Pacifica Spa Standard double wind vent canopy design with 8 heavy duty aluminum ribs Advanced collar tilt system offering infinity tilt with deluxe crank lift system Canopy is made of pacifica fabric, which is a solution dyed polyester Overall dimensions 132-inch length by 102-inch height by 132-inch width Optional base is not included and must be purchased separately