This isn't your father's (1970s) Bill's dry bag. Now improved with the most comfortable shoulder straps in the industry and a clear vinyl strip for a better seal. 21-oz. PVC/polyester body and 34-oz. PVC/polyester round bottom. The 2.2 is small enough to fit in overhead compartments of most airlines, while the 3.8 offers plenty of storage for long excursions.

Sizes are measured fully packed and closed. 16" diameter x 33" tall, 3.8 cu. ft., 6566 cu. in., 108 liters