IPX8 Waterproof&SweatproofScrewed-in and waterproof sealing ring structure enhances Airtag's al IPX6 level of waterproof to IPX8. Dogs can swim with itEasy to InstallFlexible installation without piercing to destroy the collar. You can easily use a screwdriver and screws to install the Airtag holder to any position of the collar.Secure and DurableThe high quality PC material is shockproof and drop-resistant, and will not be chewed by pets as easily as silicone. Six screws ensure that the airtag holder can be firmly fixed on the collar and will not dangle around the pets neck.Fits Most Width CollarFits for collars with a width<1.1(3.3cm). Comes with two different curves of plastic attachment which fit any thickness of the collar.Package includesAirtag Holder, screwdriver, screws, Anti-lost belt (Airtag and collar are not included). It's easy to transfer to a different collar as your dog grows, so make sure to keep the included kit.