★【High Quality】Our faraday fabric features a conductive grid design akin to a faraday cage. This unique blend of polyester, copper, and nickel creates a powerful shield against electromagnetic interference. Effective shielding of electromagnetic radiation, the shielding value reaches 99.99%. Surface resistance below 0.05Ohm/sq, average attenuation of 80-90dB from 10KHz to 30Ghz. ★【Ideal Blocking Efficiency】The faraday blanket can reduce the radiation that you contact from household appliances, such as refrigerator, TV, computer, and many others, high-shielding conductive fabric can effectively block wi-fi, cell phone signals, GPS and RFID, protecting our health and privacy. Wireless shield against EMI, EMP, safeguarding business confidentiality. ★【Large Size for Crafting】Copper nickel faraday fabric is easy to cut and sew, usage for bags, car keys and router bag, curtains, tents, etc. Effective shielding for celltowers, microwave signals, phones, smart meters, security systems, radar, military broadcast, etc and more. as an insert in the wallet or handbag to protect your credit cards from data theft. ★【Extensive Coverage】Fabric offers excellent protection against electromagnetic radiation from various sources, including transmission towers, communication base stations, wimax base stations, WIFI base stations, and wireless transmitting devices. Trusted by law enforcement and the military, it blocks electronic signals, defends against emps, and is ideal for signal-proof rooms or tents. ★【Wonderful Protection Gift】Offering this blocking fabric as a gift to your loved ones is a thoughtful way to help them protect their privacy, Its portability makes it ideal for travel, our health is threatened by electromagnetic waves every day, EMF protection is very important as it can protect us from the radiation of various electronic devices. offering optimal protection for you, your kids, and your parents wherever you go.