The beautiful Giulio Barbieri Vela Free Standing Canopy is the perfect shade structure for your backyard, on the dock, or over the hot tub. Its unique design allows for quick and easy removal of the top canopy if needed to protect against winds. The two PVC top membranes are easily rolled up with the side mounted hand operated crank system. The structure is stronger than most pergolas on the market and is designed for commercial use. This stunning structure has a cover made from Ferrari special pre-stressed PVC fabric which is extremely easy to clean, flame retardant, Fade resistant and designed for outdoor use. The structure is made from 4 3/4-inch Dia aluminum posts (8 included), cataphoresis treated and coated with polyester powder similar to the auto industry for years of rust free, fade resistant use. All nuts and bolts are stainless steel.