1. Product attributes:Size: adjustableColor: black/navyMaterial properties: Outer fabric Fabric: 100% cottonInternal material Lining: 100% nano - silver fiber (anti - radiation material).2. Product features:Nanometer silver fiber worsted technology, good shielding performance, light and thin material, good air permeability;Washable and wear-resistant;The protective material suitable for civil use is a kind of green environment-friendly cloth;Anti-radiation, anti-static, can be close-fitting.3. Product use:Used for electromagnetic radiation shielding protection, suitable for all kinds of places with radiation;Reduce the radiation generated by high-frequency rf EMF of wireless network modems and routers, bluetooth devices, smart meters, cell towers, mobile phones, microwave ovens, wireless phones and security systems;Reduce the radiation generated by low-frequency electric fields such as wires, electrical boxes, household appliances and high-power transmission lines;Effectively protect the head (abdomen).4. Product cleaning method:The radiation-proof products can be washed directly with ordinary neutral washing powder or liquid, and the washing method is similar to ordinary clothes;Wash the radiation protection products with hands and try not to use the washing machine;don't wring dry after cleaning, directly remove from the water to dry;The water temperature shall not exceed 90 degrees;Iron at a temperature not exceeding 150 degrees;Do not bleach or use washing products containing bleach.