SwissShield MAXWEAR is a tight weave cotton fabric with an extraordinarily pleasant look and feel and even better shielding than the classic WEAR fabric. Woven from cotton fiber with a gossamer-thin 0.02 mm silvered and PES-coated, spun-in, copper thread. Tested up to 30 washing with almost no loss of shielding performance.
Attenuation: 45 dB at 400-960 MHz (smart meters, 5G low band), average 37 dB at 1-6 GHz (3G, 4G, WiFi, Bluetooth, 5G Mid Band), 80% for millimeter waves (5G High Band, 20-40 GHz)
Non-conductive surface, cannot be grounded
Certificates: Oeko-Tex 100 Class 1 (gentle enough for baby underwear)