These amazing stuff sacks are super compact and ultra lightweight. They feature a watertight hypalon roll top closure to keep moisture out. The soft and flexible material has a slippery finish – making it easy to pack. These sacks are perfect for everything from your sleeping bag to food sacks that you can hang in a tree and will have a good level of waterproofness. We’ve found this to be a favorite accessory for hikers, paddlers and travelers.