Number Tags & Key Rings Set: 50 pcs key tags and 50 pcs stainless steel rings, durable and wear-resistant. Suitable for labeling and organizing keys, luggage, lockers, and more. Material: Numbered key tags are made of high-quality aluminum alloy, waterproof, rustproof, and wear-resistant, sturdy and durable. Smooth surface, safe to handle. Practical Number Keyring: Metal key tags with key rings help easily label or organize keys, lockers, dormitory keys, car keys, luggage, and more. Also useful as identification labels for various items. 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 is lightweight, and the digital number is clearly marked 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.