The Cerruti 1881 " Hamilton" USB keyring is a great gift idea. It is both functional and luxurious. It is made of carefully chosen black grained leather, with chrome metal accents for a sophisticated touch. This item can easily be matched with other black color "Hamilton" items to create gift sets. Materials: Zinc alloy. Colours: Silver, Black. Size: 20 x 20 x 80 / Ring: 30 mm. Decoration Position: Packaging, Product. Print Size:xcm. Price includes: Debossing. Setup is included.