Prada Sunglasses. Series number - PR 23ZS. Color code - 18N50C. Shape - Butterfly. Lens Width - 54 mm. Lens Bridge - 18 mm. Arm Length - 145 mm. 100% UV protection. Non-Polarized. Frame Material - Acetate. Frame Color - Begonia Cognac. Lenses Type - Brown Gradient. Rim Style - Full-Rim. UPC/EAN code - 8056262085158. Prada Brown Gradient Butterfly Ladies Sunglasses PR 23ZS 18N50C 54. Manufacturer's Packaging Included. Packaging Size And Color May Vary.