Affordable faraday bags?

headphone:

Are there any cheaper faraday bags I could turn to?

Yes:

MOS Equipment

MOS Equipment

Mission Darkness, by MOS Equipment, is a global leader in radio frequency (RF) shielding solutions. Our products play a pivotal role in supporting law enforcement and military forensic investigators. Our product line includes mobile device analysis...

Example:

MOS Equipment

Mission Darkness™ Non-Window Faraday Bag for Phones

DESCRIPTION SPECS USAGE KEEP CELL PHONES AND SMALL DEVICES SHIELDED The Mission Darkness™ Non-window Faraday Bag for Phones completely blocks all wireless signals and keeps small electronic devices shielded to prevent...

Price: USD 23.00

Testing certifications:

MOS Equipment

Testing Certifications

Mission Darkness™ Faraday Bags, Analysis Enclosures, and Materials Have Been Lab Tested to Certify That They Meet Military Standards MIL-STD-188-125-2 and IEEE 299-2006 Shielding Effectiveness.