This particular icon is compromised of multiple rectangles that are sitting inside of an oulined square. Each rectangle is positioned to convey that they are the shape of cabinet doors
This Template 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 5,700 icons, all in the same style and quality.