Standard Letter Locker is USPS Approved and constructed of 14 and 16 gauge steel. With a wide Incoming Mail Slot of 2" High x 11"Wide to accommodate large envelopes and heavy mail days. Wide Outgoing Mail Tray is 3" High x 11"Wide and weather protected. Scroll down to see related and accessory items for this mailbox. This item is available for customization, including Stainless Steel construction.  Call for prices on options not listed here.