U Silver is our new value EMF shielding fabric. As far as breathable fabrics go, it is second only to Blocsilver. This is the most cost effective fabric ideal for net curtains, providing good visibility. Other uses might include bed nets and draperies. It attenuates at 45dB at 1.5GHz compared to Blocsilver which attenuates at 50dB at 1.5GHz.
Like Blocsilver, it can be sewn and washed, retaining its protective qualities for 40 washes, when following the care instructions.