CFMY Keychain Bottle Opener Beer Opener Tool Key Tag Chain Ring Size: 3.35*1.1inch (8.5*2.8cm). Easy to carry. Easy to use. Easy to fit in pocket. Made from anodized aluminum for wear resistance and colorfastness. Lightweight quality, slim, compact, and durable. Modern and characteristic can be used as the key chain or a pendants ornament for your handbags, bottles and equipment. Great for adding your logos.