13.56MHz RFID Blocking Card is created for protecting our 13.56MHz rfid cards against scanning or stealing importatn information of rfid chip . It can make electromagnetic wave and blocking rfid chip woking in order to protect our information reveal without any authorization by third party or hacker .It will credit card size 85.5*54mm , use rfid blocking chip encanpsulation and make thickness into 0.9mm , another 0.84 , 1.0, 1.5mm thickness and full color printing are available .