This sturdy plastic mailbox by Step2 features a spacious interior with room for all of your postage needs. Safely access your mail from the front or rear door whether your postal box is across the street from your home, or at the end of your driveway. This double wall molded plastic mailbox will last for years to come. Its large, spacious mailbox compartment allows you to hold letters, magazines, and catalogs. It's easy to set up. The Step2 MailMaster Mailbox mounts on a standard 4-inch by 4-inch post (not included). This mailbox does include mounting hardware sets required for getting it up and ready to use. The Step2 MailMaster Express is weather-resistant and built to handle constant use outside.