For those seeking robust protection for their valuable items, the ewa-marine DUS-4 11.75x16.5" Magnum Pouch is an ideal solution. This waterproof pouch is perfect for safeguarding important documents, passports, airline tickets, cash, calculators, GPS devices, organizers, and much more. Constructed with the same proven ewa-marine closing rail technology used in underwater housings for high-end television cameras, this pouch ensures easy and secure opening and closing. The sturdy lanyard that comes standard with the DUS-4 model facilitates effortless carrying and storage, making it a favorite among scuba divers who prefer not to leave their valuables unattended on board or at the beach.Beyond its utility for personal items, the DUS-4 Magnum Pouch also serves as an excellent enclosure for maps and notepads, providing a reliable shield against water and dust. While ewa-marine has tested this pouch to a depth of 100m or 300ft, professional users have reported successful usage at depths of up to 300m or 1000ft. Please note, however, that the contents must be pressure resistant once all the air inside the pouch has been compressed into the content.Whether you're a professional photographer, an outdoor enthusiast, or a frequent traveler, the ewa-marine DUS-4 11.75x16.5" Magnum Pouch offers the durable, protective, and reliable solution you need to keep your valuable items safe and dry.