The Hybrid 6 Ft. W x 4.1 Ft. D Greenhouse is an ingenious greenhouse offering the gardening enthusiast a precise balance of 2 advanced virtually unbreakable polycarbonates panels along with a strong durable rust-resistant powder-coated green aluminum frame, while perfectly designed to fit smaller spaces so you can start growing earlier and continue growing later. The twin-wall roof panels block up to 100% of harmful UV rays and diffuse direct sunlight; the crystal-clear side panels offer over 90% light transmission. the hybrid 6 Ft. W x 4.1 Ft. D Greenhouse features integrated rain gutters that enable you to collect rainwater for a sustainable irrigation system, a roof vent, and a magnetic door catch to keep the door open to allow air circulation and lower temperatures on warm days. Strong and attractive, this Hybrid 6 Ft. W x 4.1 Ft. D Greenhouse offers years of maintenance-free gardening enjoyment.