Ray Ban Sunglasses. Series Round Double Bridge. Series number: RB3647N. Color code: 002/R5. Size: 51. Shape: Round. Lens Width: 51 mm. Lens Height: 48 mm. Lens Bridge: 22 mm. Arm Length: 145 mm. 100% UV Protection. Non-Polarized. Frame Material: Metal. Frame Color: Black. Lenses Type: Blue/Gray Classic. Rim Style: Full-Rim. UPC/EAN code: 8053672737615. Ray Ban Round Double Bridge Blue/Gray Classic Unisex Sunglasses RB3647N 002/R5 51.Manufacturers Packaging Included. Packaging Size And Color May Vary.