On-trend, functional and practical, the DefenderShield® EMF Radiation Blocking Hip Bag / Fanny Pack fits your smartphone and other items to make it the perfect Electromagnetic Field (EMF) radiation protection bag for travel and everyday use. The DefenderShield EMF Radiation Protection Hip Pack uses our custom-created Ultra Armor® Shielding Technology in the back, to help protect your body from wireless EMF emitting from your device. It should not affect cellular service or connectivity. Perfect For: Daily Use, Traveling, Hands-free Errands, Working Out, Walking, Hiking, Public Events, Amusement Parks. All Features: Ultra Armor® Shielding Technology blocks up to 99% of wireless Radio Frequency (RF) EMF radiation & the entire 5th Generation spectrum (300 Hz-90 GHz). Shielding placed in the back to help protect your body from EMF emissions while ensuring your phone still receives a signal.