10pcs Anti-Scan Card Sleeve Anti-theft Anti-magnetic Anti RFID/NFC scanning Aluminium Foil Safty Bank Card ID Card Card Holder

Main Functions:
1. Prevent strong static electricity interference.
2. Prevent strong electromagnetic field damage.
3. Prevent others from maliciously reading and stealing your personal information.
4. Extend the effective life of smart cards.
Scope of use:
1, applicable to identity card protection and confidentiality;
2, applicable to prevent all kinds of non-contact IC card chip circuit is damaged, prevent non-contact IC card information leakage, information is stolen;
3、It is suitable for preventing all kinds of IC card chips or IC card circuits from being destroyed, and avoiding the loss of information on IC cards;
4、It is suitable for preventing the magnetic stripe of magnetic card from being damaged by electromagnetic wave, resulting in information loss.
Parameters:
1.High shielding performance: >65dB@10MHz; >85Db@100MHz.
2.Good anti-static property: no static electricity generation, surface resistance＜0.02.
3.Good friction resistance: shielding performance does not degrade for more than 10,000,000 times.
4.Size: 6.1*8.8 mm
5.Material: PET + aluminium foil + PE
6.Thickness: 28 silk on both sides
7. Quantity: 10pcs (Random Color)