The Ultralight Dry Sacks keep your gear organized and protected within your pack or travel luggage. They are available in five different volume sizes and are rectangular shaped for efficient packing.
| Size | cu in | liter | lbs/oz | kg |
| 3L | 183 | 3 | 0/0.7 | .02 |
| 6L | 366 | 6 | 0/0.9 | .03 |
| 12L | 732 | 12 | 0/1.2 | .04 |
| 20L | 1220 | 20 | 0/1.6 | .05 |
| 30L | 1831 | 30 | 0/1.9 | .06 |
