Zamknięte okno w samolocie Icon in Material Style

This Zamknięte okno w samolocie 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.
This icon represents airplane window closed. It is an oval shape with a ring around the outside and a smaller ring on the inside. It has one small straight line across the bottom of the oval in the middle.