Number Tags & Key Rings Set: 50 pieces of key tags and 50 pieces of stainless steel rings, wear-resistant and durable. Suitable for organizing and sorting keys, luggage, lockers, gym equipment, and more. Material: Numbered key tags are made of high-quality aluminum alloy, waterproof and rustproof, wear-resistant, sturdy, and durable. Smooth surface, safe to handle. Practical Number Keyring: Metal key tags with key rings help easily organize or sort keys, dormitory keys, gym locker keys, luggage, and other items. Also useful as identification labels for numbering belongings. Specifications: The keychain numbers are blue, the tag's diameter is 3 cm, and the steel ring's diameter is 2.8 cm. The key tag has a clear digital number for easy identification. Wide Application: Numbered key fobs are suitable for hotels, gyms, indoor and outdoor pools, warehouses, restaurants, and more. Ideal for luggage storage and item identification.