Specification Brand : zatagen BulletPoint1 : ★【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. BulletPoint2 : ★【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. BulletPoint3 : ★【Superexcellent Diy Tools】This signal shielding fabric can be sewed into any shape and used in many places. Such as maternity clothes, radiation protection suits, radiation protection curtains, block, blocking bag, radiation phone case or laptop shield, mainframe chassis covers, and is widely used to make RFID anti-theft wallets, card bags, passport covers and so on. BulletPoint4 : ★【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. BulletPoint5 : ★【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. Color : Silver ExternallyAssignedProductIdentifier : 6296560165639 ItemName : Wool Felt, Special Wool Felt for Leather Friction decolorizer, Round wear-Resistant Wool Block (1 Pack (100 pcs)) ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : raw-fabric-and-textiles Manufacturer : zatagen ModelName : Kimissgm1t7dnbux ModelNumber : MW8U10220R022C7EMF2P4R722P89H PartNumber : Wool felt ProductDescription : Wool felt, special wool felt for leather friction decolorizer, round wear-resistant wool block warranty:180days