| Silver Fiber Face Covering
FC-TN001
Face Covering High Elastic Silver Fabric Keep Warm Neck in Winter and Effectively Block Electromagnetic Waves
Shielding Efficiency:With 99.9% shielding efficiency. The fabric is 100% silver fabric, while some of our competitors use less than 50% silver fabric
Wearing Method:It can be worn as a headband, neck gaiter, face mask, sunscreen, headband or balaclava
The leggings are highly elastic and very comfortable to wear
Protective Effects: protect the most important parts of your neck .
How to test: Don't put your phone inside and try to make a call. This is not an accurate way to test validity
Instead, use an EMF meter to compare RF/microwave levels inside and outside the device
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