Now many credit cards have Radio Frequency Indentification chips inside which offer convenient contactless scanning and information sharing at the cost of secuirty and privacy. This protector will block RFID signals and protect valuable information stored on RFID chips from unauthorized scans or unwanted readers.Item Size: 2.44 W x 0.125 H x 3.5 LImprint Area: 3 W x 2 H
