Check the listing for details. Faradayo Waterproof Faraday Dry Bag 17L Backpack Device Shielding-Protect (B31). Color: Black, Condition: New with tags. Listed at 89.99 USD. This waterproof Faraday Dry Bag Backpack is the perfect solution for anyone looking to protect their devices from electromagnetic pulses (EMP) and water damage. With a large 17L capacity, this backpack is perfect for carrying all your necessary gear. The backpack features a dual clip closure and padded straps for added comfort and security. In addition to protecting your devices, this backpack also has several convenient features such as a buckle closure, waterproof material, and the ability to convert to a backpack. The nylon handle/strap material adds durability and the backpack is both lightweight and water-resistant. With triple layer shielding and Bluetooth protection, your devices will be safe and secure.