OurSure Nickel-Copper Conduction Fabric 24″ x 21″ RF/ RFID Blocking
RFID prevents the theft of credit card data, car key. The fabric is conductive and is also designed for shielding Radio Frequency (RF) radiation such as cell phone, wireless devices, microwave oven. Radio frequency shielding spec: 68 dB – 78 dB attenuation from low MHz to high GHz.