IPX8 certified waterproof, fitted built-in waterproof ring prevents water entering. After around 3000 tests, no water ingress or damage during 10ft (3m) deep underwater for 30 minutes. The AirTag holder made of safe and high-quality silicone material, which can protects your AirTag from dust, sweat, and protects your AirTag from scratches continuously. The AirTag Holder with precise opening, can perfectly fit your AirTag, and hold it tightly, so don't worry about the AirTags falling off easily due to the non-artificial opening. The AirTag case with distinctive design and the transparent center circle can perfectly display the Apple logo, it attached a metal keychain, making your AirTag easily attach to anything, such as keys, backpacks, dog and cat collars. AirTag case is designed ONLY for Apple AirTag (NOTICE: AirTags are not Included). Comes with a metal keychain for your daily use. And if you have any questions, please feel free to contact us..syi