Specs:Material of roof:galvanized ironWeight capacity of roof:2200lbs(snow)Hole diameter of ground nail：0.32"（need ground nail dia reach to 0.28" ,not include in packages）1) Aluminum pipePin tube: triangle aluminum tube：2.99"*2.99"*0.04"Cross tube: special aluminum tube：4.96"*1.06"*0.043"Top inclined pipe: special-shaped aluminum pipe 2.24"*1.81"*0.04"2) steel pipe (reinforced pipe): 0.79" *0.79"*0.032" Our 12x16ft patio gazebo has elegant appearance with two tier tops. also provides a shaded space for relaxing in summer, as well as a place for friends and families to gather for parties, games, conversations, etc. It has a strong material to ensure outdoor Normal entertainment. And waterproof and UV protection. Very durable, stable and safe. and The gazebo includes mosquito nets, ensuring a bug-free and pleasant dining experience. Please Note： This product is shipped in 5 packages.