Description : Neck Gaiter using a Bamboo Faraday Fabric - Shield 5 g, Cell Towers, Smart Meters & WiFi 50% Bamboo, 40% Silver, 10% Spandex It is bamboo on one side, and the silver threaded into the other side Great simple design that can be worn in many ways, including scarf, head cover and headband For 4G & 5G, WiFi, Bluetooth and Cell towers. It is certified to ISO 90001:2000 standards |