SZYDM 5G/EMF Protection Baseball Cap, Unisex Faraday Hat, Microwave Radiation Blocking Breathable Anti-UV Outdoor Sports Hat, Anti-Radiation, RF Shielding, WiFi Shield,Black,One size

EMF PROTECTION. Guards your head against EMF's whilst remaining stylish. Allows you to protect on the go whilst remaining inconspicuous. 99.99% SHIELDING EFFICIENCY. 100% silver-nylon blend fabric provides RF 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. EMF PROTECTION. Protect your from up to 99% of harmful EMF / EMR radiation from devices like WiFi routers, baby monitors, cell phones, bluetooth & laptops in daily life. ADJUSTABLE SIZE FITS EVERYONE. It is well designed to fit most of women and men.