... , so it is of higher safty when in public place. Size:85.5*54mm Tolerance :±0.04mm Thickness:0.55mm to ... use: Please put the blocking card together with your credit card or other RFID card,the signal of the credit will be blocked effectively. RFID ... , almost all of our products are customized, including the material, size, thickness and logo. OEM orders are highly welcome, also including ...