200Pcs Conductive Sponge Foam Electrode Shielding 10x10x3/5/8/10mm 4 Thickness

What is this?Faraday Foam Gaskets are widely used to block RF signals from shielded boxes and remain conductive with an adhesive backing on the bottom. Widely for Seal RF Enclosures/RF Shield Box, Covered in High-Shielding Fabric with Adhesive Backing. As an EMI shielding material, it is widely used in electronic cabinets, indoor cabinets, industrial equipment, laptop computers, mobile communication equipment, etc.What will I get?Color: GreyLength: 10mm/0.39 inchWidth: 10mm/0.39 inchThickness: 3mm/0.12 inch, 5mm/0.2 inch, 8mm/0.31 inch, 10mm/0.39 inchMaterial: Conductive SpongeIn the package of: 50 Set x Conductive Foam, 4 thickness for each setAre there any advantages of the product?Conductive foam sheets have good conductive and shielding properties and are widely used.

eBay