The Gibraltar classic all-in-one plastic mailbox and post combo is as convenient to install as it is functional. the classic’s medium capacity lends ample room for your parcel deliveries. it is constructed with double-wall plastic for extra protection, and features an ultra-violet inhibitor finish to resist color damage from the sun. it also features a back door to retrieve mail without entering the street, making it ideal for high traffic areas. the classic can easily fit over an existing 4×4 post for a fast, ready-to-use installation, and comes with a 5-year limited warranty for your piece of mind.