Car Key Signal Shielding Bag Tablet Mobile Phone Privacy Protective Cover Large(Black)

1. Purpose: To prevent hacking, tracking, chain of custody
2. Scope of application: mobile phones, passports, car keys, credit cards, transmitters, small electronic devices, etc.
3. Style: Unisex
4. Process: sewing
5. Material: Oxford cloth
6. Function: anti-signal detection, anti-electromagnetic radiation, anti-GPS positioning, anti-information leakage
7. Size: Small about 25 x 28cm, Large about 45 x 35cm
8. Weight: small about 88g, large about 165g
9. Description: only the shielding bag, excluding other items in the picture