Throw it in the boat or the back of the truckyour gear will be dry when you get there. The Filson Small Dry Bag is built using extra-rugged and TPU-coated 840D nylon and features a buckled roll-top for absolute waterproof protection. Works well on its own for organizing gear or as added protection for gear that must stay dry inside of a backpack, duffle or other non-waterproof bag.