These Waterproof Duffel Bags are made by MadWater in Georgia USA. The commercial-grade bags use double-coated polyurethane and YKK waterfproof zippers to keep the water out. These Duffel bags apart from protecting your gear from water also promise to deal with direct sunlight, cold water and chemicals as well. The Nylon webbing handles are long enough to wear these bags as backpack. The inside zipper compartment to keep small items like keys and wallet separately.
Available at amazon.com for $159+