To improve efficiency of physical distribution performed by reading product information and storage information of an IC chip in an information card by a tag reader and visually recognizing characters written in a display part on the surface and prevent occurrence of waste disposal.

The information card 2 storing information related to a product attached to the outside of a carrier vessel is provided with a radio ID mechanism comprising the IC chip 5 storing the product information and a control part 7 transmitting the storage information of the IC chip via an antenna 6 by a power supply 4 obtained by receiving a charge wave transmitted from the tag reader in a prescribed distance, inside a synthetic resin card body, and is formed with the display part 9 freely rewriting characters by a prescribed device.