Prada Sunglasses. Series number - PR A21S. Color code - 19T175. Shape - Square. Lens Width - 53 mm. Lens Bridge - 20 mm. Arm Length - 145 mm. 100% UV protection. Non-Polarized. Frame Material - Acetate. Frame Color - Transparent Azure. Lenses Type - Dark Grey Flash Silver. Rim Style - Full-Rim. UPC/EAN code - 8056262132920. Prada Dark Grey Flash Silver Square Men's Sunglasses PR A21S 19T175 53. Manufacturer's Packaging Included. Packaging Size And Color May Vary.