There is an outline of a set pf pursed lips. In front of the lips a test tube is depicted with a small brim. The test tube is clear and nothing depicted in it.
This Saliva Test 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.