Compatible Type: The Air tag collar holder is specially designed for Apple Air Tag GPS Tracker. Can be hold on cat Airtag collar for cat puppies and other small pets. Upgraded Size: It's smaller than most of the other collar holders, suit for Air Tag cat collar which width within 3/8 inches. A great gift for your cats and small dogs like Chihuahua. Premium Material: Made of skin-friendly washable soft liquid silicone material. Also provide all-around protection to the Airtag from being scratched. Easy to Use: Put the Airtag GPS Tracker(not included) into the cat collar holder, then you can track your pets by using your iPhone. The slide-on design can be widely used for cat, dog collars and anything with a strap. color:Black+blue / Black+pink / Black Material:Silica gel size:31mm Package Contents: 2 x Cat Collar Holder Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.