About this item •Waterproof Airtag Case Built-in waterproof ring prevents water entering. •Never Dehisce Built-in 4 copper nuts, equipped with 4 special screws and a screwdriver to closed the case,the air tag holder is ultra durable. •Comprehensive Protection Full Cover,anti-scratch.TPU material shell with raised parts at the corners,it is shock-proof. •Airtag Keychain Anti-lost with keychain,it is convenient to hang the Airtag to your bag,key ring,key ,dog collar, backpacks, luggage,schoolbag and so on. •Signal and Sound No signal block,sound maybe a little smaller than uncased airtag.Note: The Airtag device is not included. In order to avoid water leakage, please be sure to tighten the screws, and do not install the panel cover upside down. Brand: Generic