Enjoy greenhouse gardening with the Harmony 6 x 12 greenhouse, fill your spring and summer gardens with your own organic fruits and vegetables and or hundreds of mature colourful annuals that you've grown from seeds in your private greenhouse. This wonderful greenhouse includes a perimeter, rust resistant galvanised steel base, adding structural support, stability, and alignment. Features and Benefits Virtually unbreakable crystal-clear polycarbonate panels provide over 90% light transmission yet block harmful UV rays 100% UV protected panels do not turn yellow or become brittle over time Strong, green powder coated, corrosion resistant aluminium frame for long lasting durability Easy assembly - sliding panels’ assembly system, ready to assemble pre-drilled profiles, pre-cut sliding panels, and all hardware included Includes – large 2 adjustable vent windows for great ventilation, galvanised steel perimeter base for additional stability & alignment and a friendly magnetic doo