Pet Dog Accessories Apple Airtag Anti-Lost Dog Collar for Dog Protection Tracker Cat Dog Anti-Lost Locator Waterproof Dog leash? Specification:Name: Apple Pet Collar by AirtagMaterial: polyester + diving materialWeight: about 100gColor as shownProduct Size:S- 30-37cm(11.8-14.6inch)M- ?38-45cm(15-17.7inch)L- ?43-50cm(17-19.7inch)XL- 48-55cm(18.9-21.7inch)Delivery contains:1Pet Positioning Holder Collar(Note that the product does not contain an Airtag)Product Feature:1. The latest version for Apple for Airtag supports pet supplies, put on Airtag and start positioning.2. Improve the chance of pets being retrieved, no matter how you move, the collar is firmly fixed on the Airtag.