About this item Winter-Grade Outdoor Plant Growth: Protect plants from cold, wind, rain, and wild animals. Control heat and humidity. Let in 90% of light, and UV stop sun damage. This 0.25" thick polycarbonate wall walk-in greenhouse gives you a personal plant nursery for your garden. If it's green, you can house it: vegetables, herbs, flowers, or tropical saplings. Stay in the soil all year. Adjustable Roof Vent: Take control of humidity; this winter greenhouse features an adjustable roof vent you can use to let in fresh air and easily manage excess moisture. Fine-tune the angle and bring balance to your grow space. Durable Design: The easy-to-assemble aluminum frame, tough-as-nails hardware, and reinforced poles of our greenhouses help prevent corrosion, giving you a green house to grow in further into the future. Save On Water Costs: The included rain gutters aid in collecting natural rainwater. Attach a hose to your greenhouse to start collecting water and become more self-sufficient. Large Walk-In Grow Space: Measuring 8' L x 6.25' W x 6.4'H our greenhouses offer you plenty of protected space for plant prep. Not only can you nurse seedlings safely in them, but they're also an excellent space for putting your garden tools, seeds, and plant pots. PLEASE NOTE: This item arrives in separate boxes and may not be part of the same shipment; delivery times may vary.Box Quantity: 2