The icon is depicting a calendar that is rectangular with sharp edges and a line dividing the top portion from the bottom. In the center of the object is written plus one 'd' indicating plus one day on the calendar.
This Plus 1 Day icon is made in flat color style
. This format was developed by Icons8 designer team and became immensely popular for use in web and mobile applications. Feel free to download this icon in PNG format for free, or unlock other formats for $5. Unlike other icon packs that have merely hundreds of icons, this monster icon pack contains 6,200 icons, all in the same style and quality.