Name: EMF/Microwave Shielding Cap Color: Black Size:Adjustable Cap circumference: 21-24 inches Cap height: 4.33 inches Brim: 2.76 inches Outer fabric 100% cotton fabric; Internal material Radiation-proof lining;  silver fiber (50% silver fiber, 50% Polyester fiber) Our hat is completely shielded, it reduces EMF radiation by 99.9% (47dB average). Made with high quality material in order to block EMF.  Washing method of radiation-proof products 1. Radiation-proof clothes can be washed directly with ordinary neutral washing powder or liquid, and the washing method is similar to that of ordinary clothes; 2. Wash the radiation protective clothing gently by hand, and try not to use the washing machine; 3. Don't wring after washing, directly lift it from the water to dry; 4. The water temperature should not exceed 90 degrees; 5. Medium iron, the temperature is no more than 150 degrees; 6. Do not bleach or use washing products with bleaching ingredients. Method for testing radiation-proof products Features of radiation protective clothing: 1. Nanometer silver fiber worsted technology, good shielding performance, light and thin material, good air permeability; 2. Washable, wear-resistant and washable; 3. The protective material suitable for civil use is a kind of green product cloth; 4. Anti-radiation, anti-static, can be worn next to the skin.
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