Montblanc Eyeglasses. Series number: MB0243O. Color code: 005. Shape: Square. Lens Width: 54 mm. Lens Bridge: 21 mm. Arm Length: 145 mm. Frame Material: Acetate;Metal. Frame Color: Blue;Silver. Lenses Type: Demo. Rim Style: Full-Rim. UPC/EAN code: 889652399607. Montblanc Demo Square Mens Eyeglasses MB0243O 005 54. Manufacturers Packaging Included. Packaging Size And Color May Vary.