Insert an Airtag into this cat collar and holder to build a lightweight tracking collar for your cats. It is designed for Apple Airtag GPS Tracker for small animals like cat dog chihuahua. Airtag Cat Collar Holder: Airtag collar comes with airtag case, it is waterproof and shockproof. Specially designed for small cat and small animal collars, slides on, out of reach from your pets. Secure Collar: The reflective collar features breakaway safety buckle design, easy to release with strong pull - much safer for your pets when they are walking around the house. Adjustable Collar Size: The length is adjustable, suitable for pet's neck size from 22-35cm. 1cm wide, ideal for most kittens and small pets. Find the most comfortable size for her. Reflective Nylon Collar: Reflective nylon kitty collar with bell design makes your pets visible in dark environments. If your pets cannot get used to the bell, it can be removed.