Fangrui Product Details 1. Military Shielding Materialfaraday Fabric Is Crafted From Copper Nickel Polyester, This Exceptional Composition Provides Excellent Conductivity, Shielding Effectiveness, And Thermal Conductivity. The Faraday Cloth Excels At Effectively Blocking A Wide Range Of Signals, Boasting An Impressive 99. Blocking Capability In The Frequency Range From 10khz To 30ghz. 2. High Electromagnetic Shieldingthe Faraday Fabric Prevents Signal Interference(emi, Emp), Prevents Commercial Confidential Leaks, And Protects Personal Privacy And Security. It Has Good Conductivity And Effectiveness In Reducing Magnetic And Electrical Waves In Various Signal Shielding Scenarios (wifi, Gps, Bluetooth, Rfid, Nfc Etc.). 3. Diy Enclosure As Neededthis Shielding Nickel Copper Fabric Can Be Used To Line Pockets, Make Rfid Anti Theft Wallets, Wrap Credit Cards, Line Hats, Or Make Pouches For Cell Phones, Smart Keys, Or Anything That Accepts Or Transmits These Types Of Signals. 4. For Commercial And Personal Usethe Need To Preserve And Protect Digital Information In Devices, As Well As Technological Privacy, Makes The Faraday Fabric Essential For Businesses. It Effectively Prevents Data Leakage And Theft, Guarding Business Confidentiality. Faraday Fabric Can Also Be Used To Conceal Homes From Harmful Signals, From Household Appliances To Global Positioning System.