The Oasis Locking Mailbox is the solution for mail and small parcel security in residential, commercial and municipal applications. Its patent pending hopper door allows for delivery of mail bundles and small parcels commonly used for shipping catalog or online orders. Comes with a durable powder coat for a long lasting finish, and is approved by the US Postmaster General.Weather tight seals on both doors to keep mail clean and dry. Stainless steel hardware to prevent corrosion. Constructed of 14 and 16 guage galvanized steel using welds and studs for extra durability. Suitable for installation into a pilaster, column or wall.Optional accessories sold separately: Two post types- 46-1/2in. in-ground design and 28in. surface mount design.