With TPU coated 210 Denier ripstop nylon, welded construction, and taped seams, this 15-litre waterproof roll top dry bag is highly durable. Shark-tooth texture makes this updated version extra tough. The unique cube-shaped design allows for efficient storage and ensures it won't roll around on deck. The Bluewater Waterproof Roll Top Dry Bag is a fantastic solution for organizing, hauling, and securing gear on a day trip or a multi-leg adventure.