Faraday Hat,EMF Protection Beanies Cap,Silver Fabric Bonnet for Sleeping,Blocks 99% of WiFi,Bluetooth,Cell Towers,5G Shielding

["Faraday hat High Shielding Efficiency：This Fabric Contains 18.3g of Pure Silver per Square Meter,that deflects 99.9% of (30MHZ-100GHz), providing 40-60 dB attenuation against Wi-Fi, 5G, cellular, and Bluetooth signals, all while staying comfortable and stylish.","Usage Scenario：Designed Specifically For People Affected By Electromagnetic Waves, Suitable For Both Men And Women, The Silver Fiber Faraday Cap Forms A Faraday Cage On The Head To Block Electromagnetic Radiation, Making It Suitable For Adults of All Ages To Wear.","Suitable Size：The EMF Hat Is Designed With Elasticity, With A Maximum Circumference Of 90cm/35.4in, A Depth Of 22cm/8.6in, And A Flat Length Of 46cm/18in. It Can Wrap All Hair Inside And Provide All-Round Protection.","Easy Care：Hand wash in cold water is recommended, with mild or without any detergents, and leave it to air dry. Do not bleach, do not dry clean, or tumble dry. Advised to follow care instructions for maximum effectiveness and durability","About Radiation Protection：Shielding Electromagnetic Radiation Is Not Equal To Shielding Signals. Our Products Can Significantly Reduce Electromagnetic Radiation, But Cannot Completely Block Signals. These Are Two Different Concepts. Therefore, Please Use An EMF Instrument Instead of Calling A Mobile Phone."]