Fourth Element DrypackWaterproof welded seams and comfortable, adjustable rucksack style straps make the Drypack an instant classic that will be as useful off the dive boat as it is on it. The roll top closure is simple to use, and a small internal pocket ensures that keys and small items do not end up at the bottom of the bag. Features: Welded Seams Waterproof construction Internal pocket Comfortable, removable rucksack straps Size: 45 liters