Surface resistance is less than 0.05 ohm and shielding effectiveness ranges from 70 to 90 dB. Dimensions: 39 x 44 inches (100 x 110 cm). Each piece is 44 inches wide and 39 inches long. Versatile use This signal shielding fabric can be used in many products including maternity wear, suits, curtains, blankets, bags, mobile phone cases, or laptop and mainframe chassis covers. It is widely used to make RFID wallets, card cases, outdoor fanny packs, passport holders, and more. Shielding performance is when the item is completely wrapped. Security protection As technology advances and methods of data access evolve, shielding with this fabric helps reduce the risk of private information being accessed through electromagnetic signals. Quality and performance quality, performance shielding fabric designed for durable protection and reliable performance. Use scenarios Travel privacy: Use in RFID wallets, card cases, or passport holders to prevent unauthorized RFID scans. Computing device protection: Apply as covers for laptops or chassis to reduce electromagnetic interference and protect data. Home and privacy: Use in curtains, blankets, or clothing such as maternity wear to limit signal exposure and protect privacy. Notes The shielding is most effective when the item is fully wrapped or enclosed.