The eye mask is made of elastic cotton and silver fiber fabric, featuring a dense and well-structured design. The metal layer can effectively absorb electromagnetic waves and can block radio frequency (RF), 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 technical parameters
Material: Elastic cotton and silver fiber fabric Size: Regular Color: Black and gold
