1-3/8in OD steel frame, powder-coated finish resists chipping, peeling, rusting and corrosion. 7.5 oz ClearView triple layer heat bonded RipStop translucent cover for enhanced illumination designed for plant growth and protection. UV inhibitors added, along with anti-aging and anti-fungal additives to help withstand the elements. Quick-Snap roll-up side panels for added air flow and temperature control. Bungee fasteners hold sides open. Hook and loop fastener-strips keep sides down. Half-moon zippered screens on both end panels for adjustable air flow. 15in screw ground anchors. Steel foot plates. Ratchet tensioners. 1 year manufacturer's warranty.