The Vango DRY Bag 60 is perfect for lining your rucksack on trips where it is likely to get wet, and keeping items separated and dry inside larger bags. The roll top closure system effectively seals the DRY Bag against any encroaching water, making it ideal for cycling, kayaking and wet weather trekking - activities on and around water, when you still need to keep items safe and dry. Lightweight, high quality fasteners with Hypalon webbing for strength Roll top dry bag - Expel excess air and roll 3 times for a sealed, water tight bag