This Form 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 4,700 icons, all in the same style and quality.
This looks like a square with several objects in the center of it. At the top of the square, there is a line on the left and a horizontal rectangle on the right. These two same shapes are across the middle. at the bottom, there's a small square and a line to its right.