Attention! Airtag not included Airtag Compatible Cat Collar: Insert the airtag into the cat collar with bracket to build a lightweight cat tracker. You can track your pets through the app on your phone. Adjustable Size of AirTag Cat Collar: Length is adjustable to fit pet neck sizes from 20cm to 30cm. The cat collar is made of high-quality, durable fabric, perfect for most puppies and small pets. Cat collar with safety lock: The cat collar is designed with a safety buckle that can be easily released with a firm pull. When your cat gets stuck on something, the cat collar’s safety catch quickly releases under pressure, protecting your pet.