Anti-Radiation Cap, Effective 3G/4G/5G Protection, Silver Fiber Fabric Hat (Khaki, One Size)

What is electromagnetic radiation?Electromagnetic radiation is "non-ionizing radiation," including microwaves and electromagnetic fields (EMF). Any type of electrical appliance produces non-ionizing radiation, including cell phones, computers, televisions, wires, and ultrasound.Specification:Product Name: Anti-radiation hatFabric Composition: Inner silver fiberColor: Beige, KhakiFrequency range: 10MHz-40GHzShielding effectiveness: 49.1dB-71.4dBWashing method of radiation-proof products1.Wash the radiation protective clothing gently by hand, and try not to use the washing machine;2.Don't wring after washing, directly lift it from the water to dry;3.The water temperature should not exceed 90 degrees;4.Medium iron, the temperature is no more than 150 degrees;5.Do not bleach or use washing products with bleaching ingredients.Package Includes:1*Electromagnetic radiation protective caps

• 100% Nylon
• 3G,4G,5G PROTECTION: This shielding cap is well designed to protect the most important parts of your head from radiation, wireless internet routers, cellular towers and more that is in our environment. Help prevent high frequency 4G,5G radiation.
• 360° RADIATION SHIELDING: EMF shielding liner exceeds 99% reduction of high frequency and millimeter wave frequencies and is lined throughout the inside of the entire hat. Average reduction to the head inside the hat exceeds 90%.
• 100% SILVER FIBER FABRIC: 100% silver-nylon blend fabric provides radiation shielding to 40000Hz. Our EMF blocking cap will help to eliminate the anxiety about everyday radiation and the dangers that come with it. Ideal fabric.
• APPLICABLE PEOPLE: The EMF blocking cap can be used by people of all ages including but not limited to: children, teens, adults and elderly. The cap will help to protect from everyday exposure to radiation that is all around us.
• CARE: Silver is naturally odor resistant and rarely requires washing. If necessary, hand wash and hang dry only, not wash by machine, bleach or dry-clean. Silver naturally changes color over time but this does not effect the EMF shielding capabilities.