Balenciaga new product launch: Balenciaga bag charm keychain. Balenciaga keychain, the latest bag charm with a higher-end design, the same style as seen on celebrities. Classic co-branding design concept keychain series. The details feature a vintage finish, unlike the glossy versions available in the market. This model has been consistently released and is a best-seller within Balenciaga, making it a perfect match for trendy backpacks.