Library Add Check Fill is a solid-style Icon from Outlined Fill - Streamline Material Free set.

The Library Add Check Fill icon shows a rounded square containing a white check, paired with a thick L-shaped base. Drawn in the solid style on a 24px grid for clear, consistent UI shapes. Use it for adding saved libraries, confirming collections, verified resources, and selection states. It belongs to Outlined Fill - Streamline Material Free free set in the Streamline Material family.