Patented one-piece, powder-coated frame is collapsible; sets up in seconds. Choose heavy-duty steel or aluminum for easy transport. Telescoping legs snap into place at adjustable heights. Canopy resists water, UV rays, rot, mildew, and fire. Bolt-on top adds security in wind, reduces wear. Elevated center design with double-braced trusses adds strength and headroom. Automatically adjusts top tension for a perfect fit. Self-contained shelter has no loose parts. Assembly required. Weight Bags and Ground Stakes sold separately.