This Date Span icon is a responsive icon. This means that it's optimized for four resolutions, from tiny 16x16 until highly detailed 80x80. The style comes from the latest Microsoft Office, which makes it perfect for any Windows applications, in particular, those with ribbon toolbar control. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 15,500 icons, all in the same style and quality.
There are two rectangles. In the bottom rectangle, there is a double-sided arrow. The arrow is in the center of the bottom rectangle. The top rectangle is connected to the bottom rectangle. There are two square on top of the top rectangle. They are to the center left and center right of the top rectangle.