A tray (container) used to hold mail or other messages that needed to be sent to other people. An outbox is simply a box used to hold letters on their way out to the recipient. Outbox trays can be physical for post mail (snail mail) or observed digitally through an email software application.
To use Emoji "Outbox Tray" in VK copy the Emoji-symbol or its HTML-code from the corresponding text field and paste it into comments, private messages, status and wall posts.
