Pyramid studs add dimension to square sunglasses created in unique striped acetate. Style: Square with pyramid studs. Frame Material: Acetate. 100% UV protection. Measurements: 53-18-140mm. Made in ItalyProposition 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.