This is a picture of a mailbox that is open in the front. it's flag is down, and it's on a pole. there is no mail in the mailbox. there is also no handle on it's front door.
This Post Box icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,000 icons, all in the same style and quality.