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Here is another Faraday bag that blocks WiFi, Bluetooth, cell signals, GPS, and RFID and protects your devices against solar flares and EMPs. The Goal Zero Yeti Faraday Bag has two layers of high-shielding fabric and meets the MIL-STD-188 125 standard.
This bag has a water-resistant ballistic nylon outer and soft handles for easy carry. It can block radio signals with 60-80dB attenuation. You can find out more about it here.