Unread Notification is a line-style Icon from Sharp Line - Streamline Material set.

The Unread Notification icon shows an angular square outline with a circular mark above its right side. Drawn in the Sharp Line style on a 24px grid, keeping its geometry clear at small sizes. Use it for unread notification indicators, alert badges, inbox states, and message interfaces. It belongs to Sharp Line - Streamline Material set in the Streamline Material family.