It is an arrow pointed down. The arrow is black on a solid background. There is one solid vertical line. From the bottom of that line there are two smaller black lines extending diagonally up to the right and left at 45 degree angles.
This Down Arrow 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 6,000 icons, all in the same style and quality.