DESCRIPTION This EMP Protection bag is specifically designed for storage of portable power banks, generators or similar-sized electronic devices. Its purpose is to provide protection against potential EMP or solar flare events. Equipped with our signal blocking Faraday technology, the bag creates a protective barrier that effectively blocks harmful electromagnetic interference, safeguarding your generator or electronics from damage. Instantly shields against : EMP or solar flare events KEY FEATURES Main compartment features EMP and Solar Flare protection Roll down velcro closure Comfortable carrying straps External zippered pocket for storage (Non-signal blocking) Great for: Long term storage, EMP Protection SPECIFICATIONS Materials & Trims Exterior: 500D Weatherproof Polyester Lining: Multishield® Faraday Shielding Material Dimensions MEDIUM: External: 17 x 12 X 20 in (43.18 x 30.48 x 50.8 cm) Internal Use: 15 x 11 x 18.5 in (38.1 x 27.94 x 46.99 cm) Volume: 67 liters Weight: 2.4 lbs (1.09 kgs) LARGE: External: 30 x 22 x 22 in (76.2 x 55.88 x 55.88 cm) I nternal Use: 26 x 19 x 16 in (66.04 x 48.26 x 40.64 cm) Volume: 230 liters Weight: 4.5 lbs (2.05 kgs) FARADAY TECHNOLOGY Multishield® (Faraday Shielding Material) is MIL-STD-188-125-2 compliant, and exceeds IEEE 299-2006 (1 - 40GHz) standards. (100,000:1 reduction, see testing page here ) Shields against: EMP and Solar Flare events.