The palram mythos greenhouse features twin wall polycarbonate panels and a heavy duty rust resistant aluminium frame the polycarbonate glazing is lightweight virtually unbreakable and has no sharp edges thus creating a safe environment for the whole family the panels have a slide and lock system that firmly holds the panels in place from all sides the greenhouse has a hinged lockable door with magnetic catch roof vent for air circulation and a galvanized steel perimeter base is included a