This Age 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 4,400 icons, all in the same style and quality.
The appears the be a calendar or notepad. It is a square with two triangles on it. One triangle points up and there is another triangle directly under it that points down. Both triangles are the same size as each other. There are two pegs on the top of the image.