Idea of Hashtag Large Icon
The icon for "hashtag large" is a large pound or number symbol. There are two lines running horizontally, stacked one on top of the other. Intersecting these two lines are two vertical lines, also equidistant from one another. The resulting image has a square at its center.
This Hashtag Large 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 6,100 icons, all in the same style and quality.