The dunnage bag has been used for a canoe trip to keep laundry and dry papers. The things remained dry, although the bag had once "float". It is important that the edge of the opening pressed well together, screwed properly and is then sealed. The material makes a stable and good impression and even after the canoe trip, there were no defects, even if the dunnage bag was not handled with kid gloves. Conclusion: useful utensil for campers, boat tour operator and other outdoor enthusiasts! The bag is waterproof and durable.