Waterproof and signal-proof dry bags that you can take anywhere. By placing electronic devices inside you are securing them from water and wireless threats. Instantly block Cellular, WiFi, Bluetooth, GPS, RFID, NFC, EMF, EMP, and Key Fobs. Super lightweight, packable, and durable 400D Nylon Ripstop that rolls down as small as you like. Perfect for travel, wet environments, variable weather conditions all the while keeping your electronics secure.