Protect your plants: TheirNear greenhouses allow you to start seeds and by protecting your plants from frost, snow, and cold temperatures. 4mm twin wall panel, polycarbonate sheets provide ultimate insulation and UV protection. The installation method of the panel is to insert the aluminum alloy U-shaped groove, and completely wrap it to make it more stable Polycarbonate greenhouse: 6x6x6.8FT walk-in greenhouse, which makes space for all your blooming flowers, sprouting plants and fresh vegetables, large room for creating a mini garden. The product can be fixed not only into the soil, but also into the concrete, and is equipped with connecting parts and expansion screws With roof vent and rain gutters: Manual adjustable roof vent window allows for the proper humidity and ventilation levels. Built-in rain gutters and outlet help collect and drain rainwater and the triangular roof helps rainwater flow down without accumulating. Premium quality: Powder-coated, rust resistant and thickened aluminum alloy frame offers durable support. Heavy-duty color-coated board base which is unified with the color of the product has strong wind resistance makes it strong and durable. Added crossbars on the side walls to stabilize the panels not easily blown away. The connection points of the product parts have fixed parts to make the structure more stable. Buy with confidence: TheirNear brand offers a 100% satisfaction service, we will answer your questions and resolve arising issues fast. We fully stand behind our products and are absolutely confident that they will meet and exceed your highest expectations. However, if you are unhappy with your unit, simply contact us within 30 days of the purchase date for a full refund.