Premium Materials: Tags are made of plastic and paper, eco-friendly plastic and stainless steel key rings are durable, reusable and lightweight for easy portability. Tag window: the ID key fob has a paper insert for writing, you can easily open the key cover to change the tag, slide the tag to meet your different needs, write your needs on the paper tag, easily and quickly identify objects, great. to distinguish your items. Convenient keychain labels: our keychain windows are covered with a protective PVC film that does not damage; prevents loss or soiling of keys to ensure your writing doesn’t wear out every day. Versatile Use: 10 key rings with tags are perfect for home, office, hotel key rings, pet ID tags, valuable bags, rental business, pets, keys car and luggage tags. You can label different items. Scope of delivery: 10 blue key rings.