This image is of human lips. There is a top and bottom lip. The lips are in the pose of neutral. The lips are not smiling or frowning. The lips are just there. The top lip has a dip in the upper center part.
This Lips 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.