Idea of Wallet Icon
This icon is made up of two rectangles with rounded corners. The rectangles are standing on end so the longer lines are horizontal to the ground. One rectangle is behind the other in such a way that you can barely see it. This represents a billfold that is slightly open.
This Wallet 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 6,100 icons, all in the same style and quality.