This Calendar 2 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 5,500 icons, all in the same style and quality.
There is a large square with the number 2 printed in side. On top of the rectangle butted against it is a short rectangle that is the same with as the square. From its top equally spaced is 2 vertical running tiny rectangles for the hinges.