Faraday Cage Military Grade Uber THICK XXXL EMP Solar Flare Bags 20pc 2-Metal Layer, FULLY-SPECCED, Heavy Duty Electro-shielding Kit XXX-Large Laptop Notebook iPad Survivalists Preppers Market's Thickest Specced Faraday Cage Protective Bags w/ Heavy Duty Ziplock 5 layer MIL-SPEC Electro-Shielding Bags Feature 2 layers of metal & moisture barrier for ultimate protection &gt;40db EMI attenuation (FULLY SPECCED Premium Material, Product Data Sheet Pictured) PACKAGED and SHIPPED FLAT! 20pc kit: Qty 1 (18x28) Qty 3 (12x18) Qty 8 (8x10) Qty 8 (5x7) - All Interior Usable Space