This is a custom and personalized pet ID dog or cat tag, it comes with a small split ring for easy addition to any collar. It can be personalized with your pet’s name, your phone number and a symbol of your choice. *The tags can only be stamped on one side of the piece because a slight impression of the letters shows through to the other side* If you would like a tag where you can add up to two phone numbers or the word microchipped visit this link: https://www.etsy.com/listing/941398383/stacked-dog-id-dog-name-tag-puppy-tag?ref=shop_home_active_2&frs=1&bes=1 Sizes and colors: 1” Brass (Gold) 1” Nickel Silver (Silver) 1” Copper (Rose Gold) * 1" Aluminium (Silver) *Copper tarnishes quicker than the other materials, overtime it develops a brownish tint due to the contact with oxygen. This size is perfect for cats, small and medium dogs, if you would this model for bigger pets please visit this link: https://www.etsy.com/listing/924353520/dog-tag-tags-for-bigger-dogs-puppy-tags?ref=shop_home_active_4&frs=1 When ordering please include: 1. Pet's Name 2. Phone Number (phone will be without any symbols due to the restricted space and will go around the edge like the items listed but contact me if you desire another way) 3. Symbol Choice NOTE: All tags are hand-stamped letter by letter and text may not be perfectly straight, spacing and depth of letters may vary. This makes each piece one-of-a-kind. Feel free to message me for any other questions you may have!