The Palram 6\' x 6\' Harmony Grey Polycarbonate Greenhouse is a great size greenhouse that is big enough for any of your gardening dreams and small enough to fit into your garden. The greenhouse merges a smart and clean design with a beautiful, functional and sturdy structure to create a simple assembly and improved use. Harmony greenhouses are maintenance-free, comprised of a rust-resistant, powder-coated Aluminum frame and crystal clear, virtually unbreakable glass-like Polycarbonate panels, which provide extra durability for many seasons to come and are simple to slide and lock into position. The greenhouse\'s vent window helps maintaining the desired temperature and humidity levels and provides ventilation. It is a perfectly nourishing environment for your precious flowers and plants.