Contemporary and practical, this Architectural Mailboxes Oasis Classic Locking Mailbox is a great addition to any home or neighborhood. It has a durable steel construction. This mailbox is available in multiple finishes and you can choose the one that suits your home. This USPS-approved mailbox is equipped with a large, patented, hopper-style access door, which allows easy delivery of mail bundles, small to medium-sized parcels, and large prescription drug bottles. It features an outgoing mail clip behind the delivery door. This Oasis Classic Locking Mailbox by Architectural Mailboxes can be installed atop or into masonry columns.