Style: Square. Size: 53-20-145mm (eye-bridge-temple). Frame color: S178 (Tortoise). Lens color: Brown. Frame material: Acetate. Lens: Plastic. 100% UV protection. ImportedProposition 65 is a California regulation that requires special warnings to be presented to customers if a product contains certain quantities of chemicals or toxicants known to the State of California to cause cancer, birth defects, or other reproductive harm.