Made of soft, lightweight silicone that is waterproof to protect AirTag from water splashes Designed with two ears to thread collar through to prevent AirTag from falling off collar Fits most small to medium dog collars between 0.4-1 inch wide Can also attach to pet carriers, leashes, bags, luggage and more Helps track your pet's location using Apple iPhone and AirTag (AirTag not included) Tyanuzz designed the waterproof Apple Airtag dog collar holder to effortlessly attach your Airtag to your dog's collar. Our Airtag case for dog collars features a lightweight design that fits snugly over most collars, keeping a low profile on your dog's collar. With your Apple phone and Airtag, you can track your pet with less hassle. And this airtag waterproof case dog is not just for dogs cats, you can also use a suitable strap to attach Airtag to other accessories.