Buyer is responsible for assembly. Premium Heavy-Duty Greenhouse Tent Specifications: Steel Frames (1.2-1.4mm) Galvanized Corrugated Steel Panel (0.25mm) Color: White Features a hybrid frame of aluminum and wrought iron, capable of withstanding wind speeds of approximately 120 km/h. The material is fire-retardant and weather-resistant, featuring a waterproof canopy that is certified to international standards.