iPower Walk-in Greenhouse Kit for Outdoors with Durable PE Cover and Observation Windows, 3-Tier 12-Shelves Portable Gardening Plant House, 4.7x4.8x6.4 FT Unique design: This greenhouse has a zippered roll-up door for easy access. Two roll up screened windows allow for better air circulation and works as observation window. Netting on the windows will protect your plants from pest sand. Large space: iPower greenhouse measures 56.1" L x 57.1" W x 77.2" H. The 12 sturdy shelves provide plenty of room for seedlings, young plants, and flowers. High-quality: Supported by a powder-coated heavy-duty steel frame, 4 ropes and 8 stakes are included for stability. PE green cover is nontoxic and odorless, keep the greenhouse warm to extend plant growing seasons. Easy assembly: There are no tools required for assembly and all parts are detachable. You can move the greenhouse as the seasons change. An assembly instruction sheet is included in the package for your reference. Use in all seasons: The portable greenhouse is designed to protect your plants and seeding against rough weather conditions like rain, wind, and snow. It can create the best environment for your plants to grow healthily.