GO DARK.
STAY PROTECTED.

SHIELDSAK blocks all wireless signals completely. Your phone, passport, and cards cannot be tracked, pinged, or read while sealed inside. Total signal isolation.

Military Grade  ·  Blocks GPS / WiFi / Cellular  ·  RFID Protection  ·  Made in USA

SHIELDSAK Faraday bag
✓ 104 dB Attenuation, Keystone Compliance Lab Tested✓ If It Rings, Return It. Full Refund, No Questions✓ Military-Grade Multi-Layer Faraday Construction✓ Made in USA Since 1996
SHIELDSAK

vs. The Rest

Most signal-blocking sleeves use a single thin layer of metallized fabric. Signals slow down. They do not stop.

SHIELDSAK uses a military-grade multi-layer Faraday construction that blocks GPS, WiFi, Bluetooth, cellular, and RFID completely. A phone sealed inside cannot receive a call, ping, or message. No exceptions.

Trusted by law enforcement, security professionals, and travelers who need real protection, not false confidence. Made in USA since 1996.

What Customers Are Saying

Verified Amazon Purchases

★★★★★

“Now you see me... now you don't. I can confirm that my phone did not ring when sealed inside. I use this everywhere I travel.”

leatherneckcpl  ·  Verified Amazon Purchase

★★★★

“I have used this RFID blocking bag during travel for ID, passports and also my iPhone. It's perfectly sized to fit the iPhone plus a driver's license and several credit cards. The phone cannot receive a call when it's in the bag.”

Mark T.  ·  Verified Amazon Purchase

★★★★

“Works great for phone and for e-Passports when I'm travelling.”

LM  ·  Verified Amazon Purchase

Prove It to Yourself

Seal your phone inside.
Call it from another phone.

It should go completely silent. If it rings at all, return it for a full refund. No questions asked.

Independently lab tested by Keystone Compliance. 30 MHz to 18 GHz. Up to 104 dB signal attenuation confirmed. See the full report