This is a icon of a "wooden keg". The keg is separated into four sections to look like wood planks, it also has two bands on it. One of the bands is at the top and the other is at the bottom of the keg, they are both thin compared to the planks.
Related to Wooden Beer Keg Icon
Related icons are the icons with matching tags, as well as all drinks icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors