This Młynek do pieprzu icon is made in Material Design style developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 4,300 icons, all in the same style and quality.
It is a pepper shaker with a rounded bottom and a speckled shaker top. Within the bottom there is capital letter P. It looks almost like a light bulb, the bottom of the shaker is flat so it would sit on a table properly.