New Authentic Christian Dior sunglasses Model: 30Montaigne S10F 40F2 Comes with Dior case, cleaning cloth, and Dior booklet Glasses may also be used as prescription glasses Lens Width: 54 mm Bridge Width: 20 mm Temple Length: 130 mm If glasses are too loose or tight, they may be adjusted with heat. There are easy DIY video tutorials or may be adjusted at an optical. All of our items are authentic. If you wish to have them authenticated use a legitimate authentication service. Please note, retail sales associates are NOT authentication experts.