This size sack works very well as a pack liner, should hold 40+ liter capacity. I also use these for sleeping bags or parkas. I have also used these as a main bag on a Roycroft pack frame....very handy multi purpose sack.
The Bilby Stuff Bags are made from 200 denier ripstop nylon with a urethane coating, offering lightweight durability and great weather protection. Side seams are double needled and bottom is double stitched. Includes drawstring with cordlock, generous storm flap, and webbing handle across the bottom.