This portable, walk-in greenhouse is perfect for extending your growing season and protecting your plants. Flowers in it can enjoy sunbathing and grow healthy in cloudy, in snowy or in other conditions. In a word, this walk-in green house is ideal for plants protection and improved growth. Great for giving seeds, seedlings and young plants an early start. Screened vent openings allow for optimum air circulation very important for the health of your plants.FeaturegreenhouseWalk-in Greenhouse8 Shelves Greenhouse Assembly Video: https://cdn1.costway.com/media/us/Install_video/25908716.mp4SpecificationColor: green Cover Material: 140G PE mesh reinforced Frame: Steel with Green powder coating Overall Dimensions: 57'' x 57'' x 77''(L x W x H) Tube: 16mm(dia.) thickness:0.4mm Weight: 23.37lbs Shelves: 8 wired shelves - 4 on each side