Palram Essence 8x12 Silver Greenhouse features a sturdy rust resistant aluminum frame, two 4ft wide, extra tall double doors, includes gutter. Has integral galvanized steel base with low threshold entry. Manufactured with twin-wall polycarbonate panels for extra insulation and protection from direct sunlight. Aluminium frame and comes with 4mm twin-walled polycarbonate. Integral rain gutters for water collection. Integral base. Base included. Base size W242.5, D366cm / W95.4ft D144ft . Hinged, lockable doors. H231, W242.5, D366/cm/W0.5ft D0.66ft. Weight 72.6kg. Manufacturers 5 year guarantee.