1. Suitable for Airtag GPS tracker, suitable for small animals such as cats and dogs.
2. Waterproof and shockproof, retractable, out of reach of pets.
3. Glow in the dark, easier to find at night
4. Adjustable collar size to fit most puppies and small pets
5. Not only a pet collar, but also can be hung on the bag, childrens anti-lost bracelet
6. Note: The product is only a collar, not a tracker