Library Add Check is a line-style Icon from Outlined Line - Streamline Material Free set.

The Library Add Check icon shows an offset L-shaped outline behind a rounded square frame containing a bold checkmark. Drawn in the line style on a 24px grid with clean spacing that keeps the layered form clear at small sizes. Use it for library additions, saved-item confirmation, collection management, selection states, and approval actions. It belongs to Outlined Line - Streamline Material Free free set in the Streamline Material family.