Black and Silver RFID Blocking Faraday Shielded Fabric: Radiation WIFI & RF Shielding: 40x40 Nickel & Copper EMF Identity Theft Blocker for your Wallet Phone or Laptop. Includes 20' Grounding Cord
Perfect to block WIFI signals, EMF Radiation, and GPS tracking.
This has a silver side and a black side, so it gives you more options when adding to your clothes, purse, hats etc..
Resistance of .03-.05 OHM
Shielding Efficiency of 70-84 db.
Large size 40 inches by 40 inches.
Remember that if you want to block EMF's you must ground the fabric so it has a pathway away from you.
This includes a grounding cord that plugs into the bottom hole on a standard american outlet.