The Big River Dry Bag from Sea to Summit is versatile and will always serve you well, whether in the mountains, during rain, in a kayak, on a bike, or on your next outdoor adventure. The practical and flexible dry bag reliably protects your luggage and gear from water and dirt. The Hypalon roll-top closure prevents any moisture from entering. With the integrated attachment loops, you can quickly and easily secure the dry bag to bikes, boats, or backpacks. The highly abrasion-resistant nylon fabric and double-stitched seams make the dry bag robust and durable. The oval-shaped bottom ensures that the dry bag won't roll away when lying down. In short, the Big River Dry Bag is practical, functional, and sturdy – so let's go!.