This Modern 10 x 12 Ft Outdoor Sturdy Pergola Gazebo with Retractable Beige Canopy is crafted from a powder coated aluminum frame, which is firmly connected by multiple fixing screws, the retractable pergola is extremely strong and rust resistant. And the 4 wide 7" x 7" metal feet with pre-drilled holes can help the pergola stand stably on different ground surfaces. (Please reserve 9.8" x 9.8" space for installing each metal feet.) The canopy of the pergola can be easily retracted by a rope loop