Wash destructible resonant tag

The invention claims a wireless electric wave detecting system together it is used to store and theft protection and so on the function of resonant label it has: The bidirectional stretching polypropylene thin substrate opposite side is formed on the coil and capacitor circuit wherein a capacitor pole plate is formed on the base one side of the coil and the other one capacitor pole plate is formed on the base the other side of the; Label on the two sides of the paper layer when the water or dry cleaning the label to damage circuit.