Montblanc Eyeglasses. Series number: MB0291O. Color code: 001. Shape: Round. Lens Width: 50 mm. Lens Bridge: 20 mm. Arm Length: 150 mm. Frame Material: Recycled Acetate. Frame Color: Shiny Black. Lenses Type: Demo. Rim Style: Full-Rim. UPC/EAN code: 889652446646. Montblanc Demo Round Mens Eyeglasses MB0291O 001 50. Manufacturers Packaging Included. Packaging Size And Color May Vary.