The Chaos Ready Waterproof backpack has a 22L capacity and stands just under 21 inches when rolled down and packed. Large enough to take everything you need for all your adventures and small enough to use as carry-on luggage when flying. The gray color allows you to see it easily but subtle enough that it won’t draw unwanted attention. One of the best waterproof bags for travel because you can take it on your flight with you or lay it completely flat in your luggage to have a handy waterproof backpack. The perfect waterproof bags for travel, you never know when you might get wet!