30x50 canopy, 2-3/8" frame, white cover. The ultra max big country canopy is the ultra strong, ultra wide ultra max canopy is the perfect storage or event solution. Its frame is made up of heavy-duty 2-3/8" diameter all steel (18 Leg) frame and Dupont™ thermoset baked on powder-coated finish prevents chipping, peeling, rust and corrosion. Its quick and easy set-up with built-in slip together swedged tubing and wide foot plates on every leg ensure easy access to secure anchor points. Its cover is fitted, fully valanced polyethylene cover and it is 100% waterproof with advanced engineered, triple-layer and rip stop fabric features. It has uv treated inside and out with added fade blockers, anti-aging and anti-fungal agents. The 50+upf rating blocks more than 98% of UV harmful rays. The upf represents ultraviolet protection factor and indicates how much of the sun's radiation is absorbed. The 50+upf is the highest fabric rating for radiation exposure. There are only 2% of the UV rays will penetrate through the shade fabric. The twist tite™ tensioning squares up frames and tightens down covers.