Persol Sunglasses. Series number - PO3308S. Color code - 309/Q8. Shape - Square. Lens Width - 51 mm. Lens Bridge - 21 mm. Arm Length - 140 mm. 100% UV protection. Frame Material - Acetate. Frame Color - Transparent Grey. Lenses Type - Azure Gradient Blue. Rim Style - Full-Rim. UPC/EAN code - 8056597783248. Persol Azure Gradient Blue Square Unisex Sunglasses PO3308S 309/Q8 51. Manufacturer's Packaging Included. Packaging Size And Color May Vary.