Electromagnetic field blocking fabric Copper fabric to protect against radiation Description: [Material]: This lock is made of polyester fiber, , and copper, which is soft and flexible, and is used to block other wireless signals. [Anti Guard]: Anti-electrostatic protection can effectively prevent entering the body, blocking, scanning and high conductivity. [Dimensions]: The dimensions of the protective cover are 110 cm x 100 cm/43,31 inch x 39,37 inch, the thickness is 0,09 mm. You can adjust the size of Faraday to suit your needs. [Screening]: Electromagnetic shielding fabric is suitable for conductive fabrics, shielding wireless signals and shielding curtains to reduce electromagnetic interference. [Wide Application] It can be used for everyday use or as data protection on your phone/laptop/card. Specification: Material: Polyester Fiber, Copper Size: 110 cm x 100 cm/43,31 inch x 39,37 inch Thickness: 0,09 mm The package includes: 1 Shielding