NRS HydroLock Dry Bag 70-denier urethane-coated nylon keeps the weight of this bag to a minimum, and the rugged material slides easily in and out of tight spots The durable clear urethane window makes finding items inside the bag a breeze StormStrip closure with quick-release buckle doubles as a carry handle D-ring on the buckle provides a handy attachment point Sizes are measured fully packed and closed