Brightent 10' Pop-Up Metal Frame Garden Patio Wedding Party Tent Oudtoor Sun Canopy XPW3N The cover of this item is made of high quality 420D woven polyester(OXFord) with heavy PU coating, which is very good water-proof. And the metal frame has been anti-rust powder coated. There are four sand bags in the package, for wind proof usage. Free of charge!