The NEST-Z 7.0 mil Moisture Barrier 5-layer EMP bag is the highest-rated zip-lock closure EMP bag on the market, making them ideal for packaging and transporting high-value, sensitive electronic parts, military equipment, and medical devices.  With 11,500 PSI tensile strength, 33lb puncture resistance, and >40db EMI attenuation, this bag is highly effective. NEST-Z bags have been tested to meet or exceed electrical and physical requirements of ANSI/ESD S541 and to be ANSI/ESD S20.20 compliant.  The bags are ROHS compliant and lead-free.
NOTE: These bags are for EMP/HEMP/CME protection only, they do not provide shielding from cell signal, GPS, WiFi, etc.