About This Quick Connector Fast Assembly: The backyard greenhouse features an innovative quick connector system, used for over 10 years, 60% of the connections use quick connector, 3 DIY enthusiasts can erect in 8 hours by saving half time of the others 12x13.5x9FT Patio Greenhouse: 9 FT overall height, extra large space to be a green house for plants, or used for recreation house. Upgraded 5.5 FT wall height, easy to access, and no need to bend over Premium Material: The garden greenhouse equipped with 6mm Twin-wall translucent PC panels(UV Protection 99.99%), a rust-resistant aluminum frame (1.5mm),4 upgraded, thickened, and wider uprights, ensuring robustness and long-lasting durability Highly weather-resistant:With anti-rust aluminum frame(1.5mm), 4 corner posts & 2 middle posts,and additional reinforced expansion screws, winter greenhouse designed to endure various weather conditions. Wind Rating: 70 mph; Snow Load Capacity:30 psf Extremely well ventilated: The walk in greenhouse is designed with a focus on efficient ventilation. It features 4 Vents & Swing Double Doors that can be easily adjusted to control temperature and humidity, maintaining proper air circulation Overview Color : Black Brand : AMERLIFE Product Dimensions : 142"L x 162"W x 107"H Item Weight : 1000 Pounds Cover Material : Polycarbonate (PC)