Bvlgari New Product Launch: Bvlgari Bag Charm Keychain. Bvlgari Keychain, the latest bag charm with a higher-end design, features a star-studded collaboration concept. This classic co-branded design keychain series showcases exquisite vintage-style detailing, distinct from the glossy versions available on the market. This model is a consistent best-seller within Bvlgari and pairs perfectly with trendy backpacks.