Balenciaga New product launch: Balenciaga bag charm keychain. Balenciaga keychain, the latest bag charm with a higher-end style, same as worn by celebrities. Classic co-branded design concept keychain series.Details feature a vintage finish, unlike the glossy versions available on the market. This item has been consistently released and is one of the best-selling styles from Balenciaga, making it a perfect match for trendy backpacks.