1-100 Numbers Key Chain Tags, Aluminum Numbered Key Rings with Steel Loops, Engraved Number Tags for Keys, Luggage, Gym Lockers, and Organization Number Tags & Key Rings Set: 50 pieces aluminum key tags and 50 pieces stainless steel rings, durable and wear-resistant. Ideal for organizing and identifying keys, luggage, gym lockers, dorm rooms, and more. Material: Numbered key tags are made of high-quality aluminum alloy, waterproof, rustproof, and durable. Smooth surface design ensures no harm to hands. Practical Key Rings: Metal key tags with attached steel rings help easily organize or sort keys, luggage, gym lockers, dormitory keys, and other items. Useful as labels for numbering and identification purposes. Specifications: The keychain numbers are blue, tag diameter is 3 cm, steel ring diameter is 2.8 cm. Clear digital numbering allows for easy identification. Wide Application: Numbered key fobs are suitable for hotels, gyms, indoor and outdoor pools, warehouses, restaurants, and more. Perfect for luggage storage and item identification.