The DuPont ™ Premium powder-coated finish of the Barn Style Storage Shelter, 2" Frame, gray Cover 12 x 24 x 9 ft.'s all-steel frame resists rust and corrosion. Bolt-together hardware at every connection point ensures maximum strength and durability. The Ratchet Tite™ Tension System and Easy-Glide Sliding Cross Rails keep the cover smooth and taut. Advanced engineered, commercial grade polyethylene woven fabric is UV treated inside and out to stand up to the elements. Ultra heavy-duty PVC cover also available. Universal steel foot plates for easy and solid connection to ground anchors, cement or pony walls. Front and back zippered doors for easy-access drive-through capability.