Silver Fiber Fabric Mesh Blocking EMF/RF/Frequency/Microwave for Net Mask Canopy
E-textiles, Shielding Curtain, EMP and EMI Radiation Reduction. As an Insert in the Wallet or Handbag to Protect Your Credit Cards from Data Theft. Shielding: RF & LF Electromagnetic fields. -Anti-radiation（RF/EMI/EMF/LF blocking and earthing）.