The Invisabag™ Faraday bag from Empirico International Trading Co, is a military-grade Faraday bag from Empirico™. Its Nylon outer shell resists tearing and is designed to take abuse. It protects your cell phone from location tracking, hacking, and blocks all outgoing and incoming EMF signals. Invisabag™ has exceptional signal blocking capabilities, and is made of the highest quality materials, but is very lightweight. It’s the first choice of the military and trusted by Software security experts as well as law enforcement agencies.