The palram harmony 6x14 silver frame greenhouse features unique crystal clear virtually unbreakable polycarbonate panels and heavy duty rust resistant aluminium frame the polycarbonate glazing is 100 uv protected so it doesnt turn yellow and has no sharp edges the panels have uniform profiles for all positions an easy assembly slide n lock system that firmly holds the panels in place from all sides features include hinged lockable door with magnetic catch opening roof vent gutters ga