1. Wear-resistant and dirt-resistant, shock-resistant and drop-resistant 2. Suitable for Apple AirTag tracker, wallet, card holder 3. Material: aluminum alloy 4. The internal structure of the bag: dark compartment, bill clip, card position 5. Opening method: open 6. Processing method: frosted 7. Note: The product is only a protective bag, no other 8. Dimensions: 85x54x10mm 9. Weight: about 70g