Montblanc Sartorial Collection Blue Keychain The main body is crafted from cross-grain Saffiano full-grain calfskin, featuring a clear texture, durability, and a luxurious feel. The metal components are made of polished stainless steel. Made in Italy, showcasing exquisite craftsmanship in every detail. Features two metal rings, one fixed and one detachable, for convenient key hook attachment or as a bag charm.