Seems to work for eliminating all signal and the dimensions are technically correct to use for my pixel 3xl phone (just barely) but because of the thickness of the material I can't roll the top enough to seal it against water. It might just need to be used more and be broken in, but as of right now it doesn't quite do the full job.
I can call my phone & it doesn’t ring. Don’t know how to tell if it’s blocking everything else. It’s well made, though I wish the closure were velcro. Difficult to close.
Shielding Effectiveness Testing MIL-STD-188-125-2 Frequency Range: 10kHz-1.0GHz and IEEE 299-2006 Frequency Range: 1.0GHz-18GHz
Patented and Patent pending Silent Pocket products with Multishield™ Faraday Fabric.
Blocks 100+ dB
800MHz – 5 GHz. CDMA, GSM, DCS, PHS, 3G, 4G, LTE.
WiFi (2.4 - 5 GHz), Bluetooth (2.4 GHz) and GPS (1-2 GHz), RFID and NFC @ 13.56 MHz.
Blocks Carrier, hardware, and OS agnostics.
Blocks the connection of any phone, in any country, on any network.
Blocks GPS tracking and GEO location.
Protects against identity theft.
Protects against cell phone spying of microphone and camera.
Blocks RFID chips in passports and credit cards.
Blocks smart keys and electronic car keys or key fobs.
Shields against EMR radiation.
Shields against static shock.