Solid black eyes. The color of the back can be clear or brown. The "screw/stem" part of the eyes can be in the middle or on the side.
The eyes can have pointy or rounded ends. The surface of the eyes can be shinny or matt. The eyes can have some scratches or dents due to the manufacturing process. The eyes and the backs can have excess plastic, in case if your project requires, you can trim it with a scissors. The eyes should be fixed by specific tools, instead of handwork. If you feel the backs are too loose, use some craft glue to secure the washers.
Not suitable for under age 3.