PRO Premium Gazebo is a practitioner of long-termism, made of high quality galvanized steel and aluminum, after 12 precision machining and three layers of composite coating process - galvanized process & anti-rust process & plastic spraying process, to achieve 3 times of corrosion resistance beyond the standard. The structure has been verified by lab test to withstand strong wind over 60MPH and 110lb/ft² snow load, with unique integrated drainage system and terrain-adaptive anchoring base to ensure stable guarding of the whole scenario, and easy to deal with the severe environments such as torrential rain, blizzard and gusty winds and we promise 1 year structural nature warranty! Meanwhile, it is worth mentioning that our Pro gazebo has 20% less screws than other products, which can save 30% of installation time!