EMF RADIATION PROTECTION FOR ALL AGES: The EMF Blocking Hood can be used by people of all ages including but not limited to: children, teens, adults and elderly. The hood will help to protect from everyday exposure to radiation that is all around us. Shielding Efficiency of 99.995% (45dB at 1 GHz)COVER AND PROTECT YOURSELF: This shielding hood is well designed to protect the most important parts of your head, specifically the brain, from radio frequency radiation, wireless internet routers, cellular towers, cellular phones and more that is in our environment.HIGH SHIELDING EFFICIENCY: The EMF Blocking hood features 99.9% Shielding Effectiveness. The hood is made up of of the perfect blend of silver, cotton to offer you superior protection.