★【Military Shielding Material】Copper nickel is a popular insulative metal due to its high electrical conductivity and effectiveness in signal reduction. Our faraday fabric made of 20% copper nickel. Shielding rating from 10KHz to 30Ghz, surface resistance 0.05Ohm/sq, shielding effectiveness: 80-90dB, operating temperature -4℃-- 85℃, thickness: 0.08mm, blocking 99% of wireless frequencies. ★【High Electromagnetic Shielding】Excelling in radio signal blocking, the blocking fabric screens mobile phone, wi-fi, Bluetooth, GPS, and other significantly, up to 99.99% protection, this makes it essential for those seeking a strong line of defense against intrusive. RF/EMI/EMF/IF blocking, super earthing/grounding fabric/anti-electrostatic/esd /radiation/radiowave/microwave shielding electromagnetic fabric. ★【DIY all your needs】Faraday fabric is moderately soft, providing a comfortable touch while being easy to sew and cut, making it ideal for use as lining. simply cut, sew, to easily create various enclosures, covers, inner bags, etc. for example, you can DIY your faraday cage, faraday wallet, faraday blanket and phone, laptop, car keys and router bag. ★【Satisfactory Practicality on Various Occasions】As disruptive signals can come from inside or outside the home, more and more homes are using these faraday fabric to create enclosures against exposure to unwanted signals. This versatile fabric is perfect for crafting signal-shielded rooms, wall coverings, tower emf shields, communication base stations, and wireless transmitting devices. ★【Wonderful Protection Gift】Nowadays, high technology is updating everyday, and hacking technology is becoming more and more developed. If we do not guard our electronic equipment, our private information will be taken away by others without any knowing, our success will also disappear easily. Gifting blocking fabric to friends and family is a thoughtful way to boost their privacy protection.