Details: Aluminum Frame Pergola with a Convertible top that can be manually opened and closed to allow just the right amount of sunshine to come in. Perfect for star gazing in the evening too! The frame looks like real wood do to our "imbedded wood grain" technology. To the naked eye this Pergola looks like it is made of magnificent wood. Unlike real wood the finish will never have to be stained or treated. This pergola is maintenance free! Ground stakes are included and bolts that can be used to secure this Pergola to a wooden deck or concrete slab are provided. Installation is problem free. This Pergola comes with clear instructions that have step by step diagrams.