Rion Hobby Gardner 8x20 Green Greenhouse provides a large and spacious area for comfortable gardening. The greenhouse frame is manufactured from robust, thick extruded resin, which has great natural insulating properties. The greenhouse glazing is 4 mm Twin Wall virtually unbreakable polycarbonate panels for great safety and heat insulation. Resin frame and comes with polycarbonate. 4mm twin-walled polycarbonate roof panels to aid insulation during winter and provide shade during summer. Polycarbonate wall panels. Separate base. Hinged, lockable doors. H208, W266, D641/cm/W8ft D20ft. Weight 163.7kg. Manufacturers 7 year guarantee.