There are three squares that are lined up vertically and they have two dashes beside each one. The first square contains a mountain and sun. The second square has a five petal flower inside. The third and bottom square has a sun inside.
This is a Details icon. It is available in PNG and vector. Downloading is free for PNGs up to 100x100px.
Idea of Details Icon by Michal
We've received the idea on October 25, 2012 and created the icons on October 22, 2013
A Set of icons for Win folder content view. It means, Big icons, Middle icons, Small icons, List, Details, Tiles, Content