Model No.: TF-GXW-1 28% stainless steel fiber, 36% polyester, 36% cotton Width: 150 cm Containing 25% stainless steel fiber shielding fabric, compact structure, soft and smooth hand feeling, good shielding and anti-radiation performance. EMF Shielding Fabric EMF (Electromagnetic Field) shielding fabric is a material designed to block or reduce exposure to electromagnetic radiation from sources such as cell phones, Wi-Fi, microwaves, and other electronic devices. These fabrics are woven with conductive materials, like silver, copper, nickel, or stainless steel, which create a barrier that prevents electromagnetic waves from passing through.