【Cat Collar for Airtag】Our cat collars are specially designed for Airtag, you can put your Airtag on the cat collar and easily know where your cat is via iPhone app. And the weight of the collar is very light, it won’t weigh your cat down! Note: The Airtag is not included in the package! 【Adjustable Size】The cat collar adopts adjustable design, adjustable from 27 to 31cm. It is suitable for most cats and small dogs.