Our gazebo frame is made of high-grade steel with powder-coating for rust resistance and has extra durability. The double roof design increases air circulation to keep cool and provides stability to against windy. With zippered mesh netting provides good ventilation and open view meanwhile and protect the people inside from mosquito bites. The size of the 12ft x 16ft is comfortable enough for 10-12 people, providing space for you and your family to enjoy the outdoor activities. Height:117inch Width:120inch Depth:79.5inch Foot tube: 3.8inch x 3.8inch x 0.04inch Horizontal tube:6.3inch x 1.1inch x 0.04inch Top inclined tube:2.2inch x 1.8inch x 0.04inch Strengthen tube:0.8inch x 1.6inch x 0.03inch