Greenhouse: Get a garden greenhouse - ideal for growing your own plants and vegetables. Features: With a sliding door, integrated rain gutters for water collection and a roof window for ventilation. Stable: There is also a heavy duty galvanised zinc steel base to provide extra strength. Material: A strong aluminium frame with painted finish, and glass-free lightweight yet strong 4mm UV twin wall polycarbonate panels. Size options: Choose from medium, large or extra large - see full details for full dimensions. Colour options: Choose from green or grey. Traditional Greenhouse | Medium | Living Social