This Saturday 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.
The image is a square with two little tabs at the top. It looks like the page of a calendar. There are two letters on the image. In the center of the large square part is a the capital letter S and the lowercase letter a.