Bvlgari New Product Release: Bvlgari Bag Charm Keychain. Bvlgari Keychain, the latest style of bag charm with a higher grade, celebrity-inspired design. This classic co-branded keychain series features a vintage finish with attention to detail, unlike the glossy versions available on the market. This item has been consistently popular and is a best-seller within the Bvlgari line, making it a perfect match for trendy backpacks.