Electromagnetic Radiation Protection Face Mask 100% Silver Fiber Head Hood Hats

Description

Advanced Shielding Materia
l: 100% silver fiber, washable,stretchy,breathable and soft and healthy to body in different colors.
Test
: Use an EMF meter to compare RF/microwave levels inside and outside the scarf. It cannot block EMF but can reduce it.
Washed in pure cool water by hands. No bleach, no detergent , no dry.
All Features:
Advanced shielding technology blocks 99% of wireless EMF radiation,
For 4G & 5G, WiFi, Bluetooth and Cell towers (300Hz-10 GHz)
Multi-functional and multi-purpose design
Use over the head, around the neck/chest/torso, or around reproductive organs
Silver-fiber fabric is breathable and resistant to odor