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 Large Space: 10x10 Sun Shade Canopy provides enough space for you to relax. It is suitable for backyard, patio, poolside, deck, courtyard and other outdoor spaces 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 Extend your outdoor living space with PURPLE LEAF’s 10‘ x 10’ White Metal Pergola and create a centerpiece for your space. This unique design crisscross trellis to add strength and style. With base dimensions of 10‘ x 10’ Retractable Canopy, this Pergola can accommodate most outdoor dining furniture sets and hot tubs. It provides the perfect space to entertain family and friends or to create your oasis.