Crystal Clear Thick Glass Antique Mirrors offer completely lead-free top coat and < 0,15% lead in the wet basecoat. Crystal Clear Thick Glass Antique Mirrors are resistant to natural atmospheric corrosion – thus reducing the unsightly problems of black edges and spot faults. Available as an option: Crystal Clear Thick Glass Antique Mirror Protect incorporates special safety film for added impact protection and complies with ANSI Z97.1 and 16CFR 1201 standards. Mirror Protect is not necessary if the glass is laminated.