When it comes to securing your deliveries, the Oasis TriBolt doesn’t mess around. This extra large mailbox is part of our USPS approved locking mailboxes lineup and comes packed with brilliant features to outsmart tampering and keep mail safe. Its standout feature- A 3-point locking system that secures the door in multiple spots for serious protection. Paired with a pry-resistant lock bracket and internal security baffle, this box is built to block break-ins. Crafted from powder-coated, heavy-gauge galvanized steel with stainless steel hinges, this metal mailbox is made for long-term durability. Our WeatherTite™ internal weather stripping around all doors keeps moisture out, so your mail stays dry. Looking for a post mounted mailbox that’s big on space, tough on security, and easy on the eyes - the Oasis TriBolt is perfect for residential mailboxes, mailboxes for outside, and anyone who takes front porch protection seriously.