The Patriot Large Post-Mount Mailbox is constructed from durable polymer plastic and features an attractive black color. The mailbox is weather and impact resistant for longevity against inclement weather and day-to-day use. The mailbox is a large-size unit with a wide opening and plenty of room to accommodate several days' worth of mail. The body features a ribbed design on top and textured side panels for a unique and stylish appearance. It's equipped with a yellow plastic incoming mail indicator flag to alert residents that mail has been delivered. Constructed from rust-proof polypropylene plastic for durability against wear and impact Large capacity accommodates high volume mail deliveries including padded envelopes, magazines, and small- to medium-sized packages UV inhibitor finish protects against weathering Fully assembled with pre-drilled holes on side to reduce installation time Match with posts with the designation letter E Mounting hardware sold separately Optional incoming mail flag indicates when mail has been delivered Embossed spaces to align address numbers on door and sides Mail opening size measures 10. 24" W x 7. 4" H