Balenciaga New Product Release: Balenciaga Bag Charm Keychain. Balenciaga Keychain. The latest bag charm with a higher-end design, featuring a celebrity-inspired look. This classic collaboration design keychain series showcases a vintage finish with attention to detail, differing from the glossy versions available in the market. This item has been consistently popular and is a best-seller within Balenciaga, making it a perfect match for trendy backpacks.