This Kubek 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.
The main body of the cup in an almost square shape. It is slightly taller than wide. Attached to the right-hand side of the cup in a backwards c-shaped handle. Just above the cup are 2 squiggle lines which represent the steam rising from the cup of coffee.