The Classic all-in-one mailbox and post combo is as convenient to install as it is functional. The medium capacity lends ample room for your parcel deliveries and its double-walled plastic construction provides extra protection. The combo features an ultra-violet inhibitor finish to resist color damage from the sun and a back door allows you to retrieve mail without entering the street . making it ideal for high traffic areas. The Classic easily fits over an existing 4x4 post for a fast . ready-to-use installation . and comes with a 5-year limited warranty for your piece of mind.