Review on 20X15In Faraday Bag For Laptops, Phones & Key Fobs: Fireproof, Water Resistant Anti-Theft Pouch With Hacking Blocker (Black) by David Crawford

I haven't really taken the time to verify whether This truly blocks signals but I will say that it's a pain to use this item because the material is sticky, oily and uncomfortable on the outside. This makes placing it in baggage or a briefcase a significant problem. Unfortunately I did not return it within the 30-day period Allowed by Ebay and I frankly decided to Simply see just how bad it can become over time.