To provide a portable card holder which prevents card information from being skimmed before a card owner becomes aware of it by preventing transmitting of electromagnetic waves etc. radiated from a skimming apparatus.

The outer surface 2a of a pass holder 1 is coated with an electromagnetic wave shielding material 3 for preventing transmitting of the electromagnetic waves. The whole surface of the outer surface 2a is coated with the shielding material 3 so as to prevent transmitting of the electromagnetic waves to the inside of the folded pass holder 1.