The fiber surface is a combination of copper and nickel to prevent oxidation and corrosion. At the same time, extremely high electrical conductivity and damping are achieved. The fabric is ideal for protecting all types of electronic products. The material can be used for cell phone or RFID shielding. Protection against mobile phone radiation. Suitable for protecting your personal data from credit cards, identity card, memory cards and for car keys with the Keyless Go system for protection against car theft. To protect against cell phone radiation, we recommend that you use the fabric 2 ply as Faraday cage.