21 oz PVC/polyester body, 34 oz PVC/polyester bottom Fold-down StormStrip closure, backpack harness Padded shoulder straps, extended reinforced bottom 16 inch diameter x 33 inches High (fully packed and closed) 6700 cu. in. (110L) The NRS Heavy Duty Bill's Bag adds extra armor to the bottom of this legendary bag so you can chuck it off the boat, into your rig and onto the airplane trip after trip, year after year, without worry. Constructed with heavy-duty TobaTex, Bill's Bags will outlast a generation worth of adventures.