Keychain design to prevent loss: This for Air Tag case comes with a stylish metal carabiner so you can easily hang your for Air Tag anywhere, and the case fits snugly around your AirTag to ensure it stays in place so you can keep track The things it connects to. You can attach the for Air Tag case to your dog/cat pet collar, car key ring, your bag, your child's school bag, valuables, and more. Easy installation: The exposed hole design is very conducive to signal transmission and user-friendly installation. Simply place the tags in the silicone sleeve. Precise cuts reveal the brand's logo. Structure: The clips at both ends of the wire rope are stuck in the casing, and then the locking screws are closed to fix it. The anti-lost device cannot be removed without special tools, which plays a very good anti-theft role! Weight: about 12.8g each Applicable models: For airtag Dimensions:about 98mm long (including steel rope), 40mm wide, 11mm thick Colour:Black Material:Stainless steel+PC Package Contents: 1 x wire rope protective sleeve 1 x disposable screw wrench Only the above package content, other products are not included. Note: Light reflection 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.