6' x 6' Portable Walk-In Greenhouse Outdoor Plant Gardening Green House Canopy w/ Sliding Door Adjustable Window SilverINNER SIZE: The polycarbonate greenhouse provides plenty of room for growing plants, vegetables, crops and flowers safely and healthily. ALUMINUM FRAME: Heavy duty greenhouse made of rust resistant aluminum, ensures a reliable structure which is naturally strong in low temperatures. EASY ACCESS: A large slide out door which opens and closes smoothly. This lean to greenhouse also features a window which can be set to four different positions for