There is something to be said for being a big fish in a small pond, but the Fishpond Westwater Large Zippered Duffle is for those who truly think and travel big. It is a duffle that can be used for backpack-carry mode for short periods, which on the go can beat any rolling bag. It offers 5,065 cubic inches of storage, and features TPU welded fabric along with YKK #10 water-resistant zippers to keep the contents inside dry.