Free ground shipping in the contiguous 48 United States for orders over $100. Our locking mailbox can easily be enclosed in brick or rock. This is a great way to change the appearance of your home. See below for detailed information about this mailbox. The unique hopper style door allows small packages to be drop into the locking mailbox secure compartment. This style drop door makes it difficult for someone to reach in and steal your mail. Oasis Features & Specifications: Zinc plated cam lock with zinc die cast cylinder hopper style Large incoming door designed to allow delivery of small to medium sized parcels, magazines or envelopes USPS Approved! Includes: Stainless steel rivets and hinges. Zinc plated assembly screws Rubber door seals prevent dust and rain from entering the mailbox Spot welding and welded lap joints used to eliminate unsightly rivets on the outside surface Finished in a durable powder coat in black This security mailbox includes all hardware and instructions Size 20" H x 13.5" W x 18.5" D. See a PDF file with the instruction manual here. See our other stone enclosed mailboxes here Column Locking Mailboxes