The Mailmaster Trimline Standard Black Mailbox features a slim design, heavy-duty poly construction, durable and resists vandals. Front and rear access to interior compartment. Mounts to existing or new 4x4 post (not included). Includes address numbers, mounting hardware, and post cover. Minimal assembly required. Size: 50-1/2"H x 22-1/4"W x 9-1/4"D.