Overnight Dry Bag Fishing BackpackWhat is a Dry Bag? A bag to keep all your gear dry and protected. This bag is designed for the day trip or overnight trip to the island. Throw your bag on the boat and head out, not worrying if your gear will get wet. This bag is a non submersible waterproof dry bag capable of protecting all your personal belongings from water or dirt. 40L water resistant dry bag backpack. 500D Tarpaulin with High Frequency Welded seams to make our bags waterproof.