This range is designed to help you use your gear such as tablets, vhf radios and phones, in wet conditions. They will help protect your gear from rain and brief immersions.
These bags are made from modern waterproof materials such as TPU and feature welded seams to help keep the rain out.
The bags will help protect your gear from brief immersions such as if you accidentally drop the bag overboard. Prolonged immersions however may result in some water making it's way around the roll down closure.
These bags are not designed to let you actually operate your device under water.