Features 12 ft x 12 ft Built with sturdy, high-grade, beam-welded tubular steel frame High-performance synthetic joint components bonded with a Dupont(r) thermoset baked-on, powder-coat finish that prevents chipping, peeling, rust, and corrosion Polyester fabric cover is UV-treated inside and out with fade blockers, anti-aging, and anti-fungal agents, resulting in a cover that withstands the elements Polyurethane inside lining, double-stitched and seam sealed with waterproof tape for optimal water