The OverBoard waterproof dry tubes are constructed from heavy duty nylon coated tarpaulin, and seal tight by way of the easy to use Fold Seal System. This bag is 100% waterproof, with electronically welded seams, and will float if dropped in the water. Also includes a shoulder strap and D-ring attachment for easy carrying. Dimensions: 15.5" x 10.5" x 21" (12L) 15.5" x 14.5" x 29" (20L) 19.5" x 17" x 34" (40L), 27.5" x 12" x 38" (60L)|Carry weight: .92 lbs (12L), 1.41 lbs (20L), 1.76 lbs (40L), 2.8 lbs (60L)|Capacity: 720 cubic inches (12L); 1,200 cubic inches (20L); 2,400 cubic inches (40L); 3,600 cubic inches (60L)

