The Lite Series Greenhouse is made of heavy duty anodized or durable powdered coated aluminum frame and 4mm UV protection polycarbonate panels. The structure comes with a channel depth of 10mm to firmly hold the panels in place without the use of silicone or to rely on cheap clips or plastic components. Instead of bolts & nuts, this greenhouse is secured completely by screws. So, the installation is fast and convenient. Most importantly, it's cheap in price but valuable; it's lite but strong enough for years of gardening profits. A double sliding doors and one roof vent ensure there is sufficient ventilation in the greenhouse. And it's equipped with galvanized steel base as standard. With many useful options and accessories available, this Lite Series greenhouse is perfect for beginner and expert alike.