It's a logo for a mask snorkel. It shows only the mask, snorkel and mouth. The mouth is a "C" that is curved upwards and the snorkel is coming out of it to the right. The mask is above the mouth.
This Snorkel 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.