This Transfer pieniędzy 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 icon is a picture for the logo Money Transfer. The icon is in the shape of a rectangle. The rectangle is what appears to be an envelope. The envelope looks to have a bill coming out of the top of it.