1. Function: Anti-radiation / anti-electromagnetic / anti-location / anti-information leakage / RFID anti-theft brush 2. 0.12mm nano-materials are used to improve the efficiency of the function 3. Products placed in the inner box cover the lid can completely shield the signal can not be connected to the call. 4. The interior contains silver gray metal shielding material, shielding malicious scanning, say goodbye to the hidden danger of theft. 5. Precision stitching, firm and not easy to break 6. Metal hardware buckle, tightly wrapped edge, sealing construction 7. Suitable for 6.5 inches within the phone, keys, remote control, etc. 8. Material: fabric carbon fiber, internal material RFID shielding material 9. Size: 12 x 17 x 9.5cm
