Montblanc Sunglasses. Color code: 004. Shape: Square. Lens Width: 53 mm. Lens Bridge: 21 mm. Arm Length: 145 mm. 100% UV protection. Frame Material: Acetate. Frame Color: Blue. Lenses Type: Grey. UPC/EAN code: 889652209135. Montblanc Grey Square Men's Sunglasses MB0007S-00453.