Faraday fabric material:20% military-grade nickel copper fabric + 80% top-rated polyester fabric Size: 43''x108'' EMF Faraday fabric protects you away from harmful frequnecies. It can be widely used at DIY. It's easily for you to make your cage with our Faraday fabric, simply cut and sew to fit your smartphone, laptop, car keys or cards, etc Available color: 50% black and 50% copper-color (take the image into your reference ) Superior protection of this shielding fabric Upgrade your health and privacy protection using our Copper Faraday Fabric! It's highly effective in blocking your wireless gadgets to guard you from potentially harmful frequnecies. 1.The shielding fabric can block phone, laptop and computer etc signals. 2.The shielding fabric can shield devices with all kinds of harmful radaition, like electromagnetic radiatoin cell towers, Smart - High Protection Netting. 3.The shielding fabric can block devices with harmful freqeuncies, like FRID, EMF, Microwaves, Radio Frequencies, Bluetooth, WIFI and GPS etc. Application scenarios: Covers: curtains, computer host cover, refrigerator cover, printer cover, microwave oven. etc. Higher frequnecy electromagnetic wave shielding: like from signal tower, computer and other electric devices. Washing instruction: NO WASHING. Keep it dry and clean.