It is made of cotton and silver fiber fabric, with a dense and well-structured appearance. The metal layer can effectively absorb electromagnetic waves and can block RF (Radio Frequency), Wi-Fi, Bluetooth, 4G and 5G signals from routers, modems and other electronic devices. This material does not contain irritating substances and can be safely used directly on the human skin.
Product parameters
Material: Cotton and silver fibers Size: Standard Color: Black and gray
