This icon is a part of a collection of Skrzynia skarbów flat icons produced by Icons8. Icons follow the guidelines of iOS, Windows, and Android and are designed by a single designer, guaranteeing the consistent quality. Both PNG and vector are available.
The icons shape is a rectangle with two circle segments at the bottom right and left corners, a semi oval at the top center with a dot in the middle. On top of the rectangle is a cloud like shape the looks like it is popping out the top. Two other rectangle shapes make up the lid of the icon.