8x12x7.5FT Hobby Greenhouse & Sunroom：6mm Twin-wall translucent PC panels(UV Protection 99.99%)，perfect for raising seedlings or heat-loving plants. Upgraded 5.2FT wall height, easy to access, and no need to bend over Walk-in Greenhouse for Better Ventilation: Keep both 2 swing doors (with door hook)and 4 four-level adjustable roof vents open can let in more fresh air while managing excess moisture for the backyard greenhouse Solid Material & Foundation: Heavy duty greenhouse has a rust-resistant aluminum frame (1.5mm). 4 corner posts & 2 middle posts help bury the greenhouse deep in soil or concrete for extra stability. Wind Rating: 60 mph; Snow Load Capacity:18 psf Built-in Rainage Rain Collection Device: Garden Greenhouse update 4 corners have drainage holes and attached pipes to collect and drain water, convenient for connecting Rain Barrels and maximizing the use of water resources Installation Tip：The product does not come with a foundation, please contact us with any installation problems, please use a box to hold screws and small accessories in case of missing This backyard green houses for outside is equipped with a high-quality aluminum frame, features upgraded panel materials for durability, is adaptable for various settings, provides excellent ventilation, and boasts high weather resistance. These functions collectively create an optimal environment for nurturing plants while ensuring the greenhouse shed stands up to diverse weather challenges. Heavy duty greenhouse upgrade 4 corner posts +2 middle posts+ reinforced expansion screws2, four-level adjustable side vents for air convection2 wide swing doors (with door hooks)6mm Twin-wall translucent polycarbonate panels99.9% Harmful UV rays blockUV Resistant: 99.9%Wind Rating: 70 mph Snow Load Capacity:30 psf