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The BlocWave® EMF protection cap or anti-radiation hat has a protective lining, perfect for when you are out and about but still want protection on your head.
The silver-lined EMF Protection Cap is designed to protect your head from EMF radiation exposure. Now you can block electromagnetic radiation and still look stylish in this EMF shielding hat or baseball cap. The EMF blocking hat is unisex, comes in two different colors, and adjusts to fit most head sizes.