Anti-lost Tracker Cat Collar: Put an airtag into the collar with holder to build a lightweight GPS Tracker. You can track your pets through the Find My app on iPhone (Airtag not included in the box Air Tag Cat Holder: The apple air tag holder is waterproof and shake-proof, cotton material can prevent your tracker from being scratched. Slide-on installed design makes your pets away from the holder, specially designed for small collars. Adjustable Collar Size: The collar length is adjustable, suit for pets neck from 7.6" to 13.8". 3/7" in width, great for most small animals like cats dogs kittens puppy . Cute Cat Collar: The collar comes with the star pattern and bell design. The bell is removable, and will make your cat look more lovely and comfortable to wearmuch safer for your pets.