They are Red color 3D soft Holographic fishing lure eyes 

2MM, 330PCS

3MM, 500PCS

4MM, 500PCS

5MM, 500PCS

6MM 310PCS

7MM 330PCS

8MM 200PCS

9MM 184PCS

10MM 168PCS

12MM 126PCS

13mm,128pcs

14mm, 90pcs

15mm, 90pcs

16mm, 84pcs

18mm, 60pcs

19mm, 60pcs

20mm, 55pcs

They are soft molded eyes and all have a self adhesive backing to stick on most surfaces or can be added glue to stick to uneven surfaces.

Picture is not the actual size but  the color.