The heavy-duty galvanized metal roof is waterproof sun-protective weatherproof Adopts a double roof design with netting for ventilation away from "unwanted guests" Designed to shield you from harmful sunlight strong winds heavy rain and snow Supported by a robust aluminum frame ...The heavy-duty galvanized metal roof is waterproof sun-protective weatherproof Adopts a double roof design with netting for ventilation away from "unwanted guests" Designed to shield you from harmful sunlight strong winds heavy rain and snow Supported by a robust aluminum frame rustproof reliable sturdy built to last The expansion screws help fix the gazebo on solid ground for better wind resistance The top hanging hook provides additional convenience for hanging a light or fan (not included) Adopts double sidewalls with mesh netting and zippered curtains meet different needs The sidewalls with 2-in-1 loop straps and smooth dual-side zippers feature a fully-open design The waterproof polyester curtains provide privacy and further protection from elements The curtains can be secured on 4 columns with fixing straps and windproof hooks Assembly required