https://www.texcraf-protection.com/emf-fabric/stainless-steel-fiber-and-polyester-fabric.html

Similar to canvas, it is made of a blend of stainless steel fiber and polyester. The content of stainless steel fiber is as high as 37%, and the shielding performance is excellent.

Stainless Steel Fiber Fabric

Stainless steel fiber fabric refers to thin strands or filaments made of stainless steel, which is a corrosion-resistant alloy composed primarily of iron, chromium, nickel, and other elements. Stainless steel fibers are often used in various applications due to their unique properties.