Outdoor Retractable Pergola with Sun Shade Canopy Cover for Garden Porch Yard BBQ Beach

5 Crossbeams: Made with a strong aluminum frame and powder coating, pergolas are built to withstand warping or rusting Upgraded Fabrics: The Outdoor Pergola is made of improved yarn-dyed fabric, more durable, UV resistant and fade resistant Retractable Canopy: Easily control the extension with pulley system and utilize the suction cup fastening levers, allowing you to effortlessly adjust it Stable Design: Crossed post and beam construction, the four 6.7 x 6.7 inches wide aluminum feet with pre-drilled holes can help the Retractable Pergola stand stably on ground surfaces For Installation: Recommending to use 1/4-inch expansion screws for mounting on wooden floors, concrete 3 inches deep or more, and concrete footings measuring (recommended over 50 lbs. per footing) 15x15x15 inches