Color:Navy Blue Description:1. Cap circumference 58-64cm, visor width: 7.5cm, cap depth: 12cm2. Made with high quality material in order to provide the best EMF protection, such as Wi-Fi Modems, Bluetooth devices in the home and car, smart meters, cell towers, microwaves, cordless phones, as well as low frequency electrical fields from sources such as electrical wires, electrical box, Household Appliances and high power transmission lines.3. Protect your from up to 99% of harmful EMF / EMR radiation from devices like WiFi routers, baby monitors, cell phones, bluetooth and laptops in daily life.4. Materials: Out layer: Cotton; inner layer: silver fiber knitting5. Care: Hand wash, air dry, do not bleachSpecifications:Color: Black, navy blue, royal bluePackage include: 1 x capIncluded:1 x cap
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