Sturdy Material: Selected sturdy metal material for this keychain, excellent hardness and toughness. Compact and Lightweight: The keychain comes with a lightweight and compact structure, making it portable to use. Fine Polishing Craft: It enjoys fine polishing craft, which ensures the smooth surface and edges. Bottle Opener Function: This keychain features the bottle opening function, convenient and practical. Fine Craftsmanship: This keychain enjoys excellent workmanship, which ensures the long service life and efficient performance.