GALVANIZED STEEL DOUBLE ROOF: W12ftxL20ft(144inchx240inch), Fade-resistant and rust-resistant galvanized steel top, keeps out bright light and harmful UV rays, strong enough to withhold windy or heavy snow. which is not possible with traditional soft top gazebos.DOUBLE-ROOF DESIGN: The double top of the gazebo has a built-in mesh in the middle to increase air circulation,while repelling mosquitoes to provide you with a safe environment. DOUBLE-ROOF DESIGN: The double top of the gazebo has a built-in mesh in the middle to increase air circulation,while repelling mosquitoes to provide you with a safe environment.DOUBLE PRIVACY PROTECTION: 4 breathable mesh and 4 Privacy Curtains, The gazebo curtains are made of polyester fabric and PU, which is CPAI-84 certified, flame resistant.HOOK DESIGN: Top hooks inside the tent allow you to hang lights, fans or other decorations (not included) for added comfort. NETTING AND CURTAINS: Our permanent hardtop gazebo sports a dual-slide design that features zippered, double-layered sidewalls. These sidewalls provide added protection ，including sunlight, UV,rain,snow and Mosquito - and they enhance privacy too. Enjoy a safe, comfortable environment in your outdoor hardtop gazebo. EXCELLENT WATER GUTTER: Water gutter design collect the surface water of roof and direct it to four corners, and then flows alone the pillars,The unique and targeted design keeps the gazebo in good condition and prolongs its lifespan. 【VENTED DOUBLE HARDTOP】Compared with one layer design, this double gazebo canopy allows sunlight to filter though and provides excellent airflow. Galvanized steel metal top can withstand heavy snow, which provide you a privacy, safe and cool room. 【REINFORCED ALUMINUM FRAME】Powder-coated gazebo aluminum frame, which is sturdy, anti-corrosion and all weather resistant for years of use. Stable structure can withstand heavy snow and wind. 【ZIPPED CURTAIN & NET】The gazebo curtains are made of 180G M2 polyester fabric and PU, which is CPAI-84 certified, flame resistant. With four sides zipped net, you will be away from the disturb. Enjoy great privacy room, also having full airflow and visibility from outdoor, which is a screen house for camping.【UNIQUE WATER GUTTER】This outdoor gazebo designed with water gutter which allows the rainwater flow from the edge of the top into the hole, then to the ground. No worries about the rainy day and snow melting.【VERSATILE USAGE】Size: 12'X 12' Permanent Gazebo. This patio gazebo provides 144 square feet of coverage without feeling crowded. It will be perfect for BBQ, friends gathering and family time.Noticed: Package come in 4 boxes.