Large capacity fits larger boxes, padded envelopes, and magazines laid flat | rust-proof plastic construction is highly durable providing strength and stability | wide opening allows easily delivery of packages | fully assembled for convenient installation | arrived mail indicator flag included | made in the usa; security: non-locking | match with gibraltar mailboxes posts with the letter designation code e | the gibraltar patriot post-mount mailbox is constructed from sturdy, rust-proof plastic material. This mailbox is weather and impact resistant for longevity against weather elements and day-to-day use. Its large size can receive multiple deliveries including padded envelopes and small boxes. The patriot has a fresh look to match any landscape, and includes blank spaces on the door and side to add customized letters or numbers. Includes a standard outgoing mail flag for the postmaster, and also a received mail indicator flag to alert you that mail has been delivered.