Signal Blocking Material Anti-radiation-RFID RF/EMI/EMF/LF Shielding/Fabric
( much thicker and more than other shielding fabrics). Usage for Bags, Curtains,Tents. Shielding efficiency: 70-90db. 1 Signal Shielding Fabric. Usable in wall render or concrete. Anti-radiation(RF/ for EMI/EMF/LF blocking and for earthing).