ONE SIZE FIT IT ALL. It is well designed to fit most of women and men.
99.99% SHIELDING EFFICIENCY. 100% silver-nylon blend fabric provides radiation shielding to 40000Hz you can rest assured that this hat is protecting you.
IDEAL FABRIC. Using nano silver fiber worsted spinning technology, good shielding performance, light and thin material, good ventilation effect! It beneficial to the human body.
PROTECTS AGAINST 5G WIFI AND CELLPHONE RADIATION. Proven protection against the radiation given off my WiFi, cellphones and other wireless devices.
EMF PROTECTION. Guards your head against EMF's whilst remaining stylish. Allows you to protect on the go whilst remaining inconspicuous.