- Ceramill Liquid Eye are code colors which are used to color the Ceramill Liquids (CL 1-4, CL OR and CL GR) before brush application or immersion of the Ceramill ZI or Ceramill ZOLID restorations. - The code colors are liquids with organic, water-based dyes. - The user can distinguish the site of application with the code colors. - The code colors burn out without residue during sintering and are available in blue, red, green and yellow. **For further product information, please contact Chat Support**