Our RF protection Hats are for EHS people.
The products will allow EHS people to reduce their exposure to RF radiation when in environments they can’t fully control (as far as RF transmissions). The products are not for use when using cellphone and other wireless devices.
Press here to read Hats’ usage limitation

RF EMF/EMR Protection Full Head Cover FHC190 for EHS people to wear it over their head, to reduce the exposure of their head & neck to RF radiation. Made from our durable, double layer RF blocking fabric the S190. Color white (Inside) & Gray(outside).

If used correctly can shield the head from environment RF radiation, & ease symptoms like headaches, brain fog, memory issues, fatigue and other EHS symptoms.