The Westwater Backpack protects your valuables from splash, spray, or the unexpected rain storm during a portage or overnight camp * Dimensions: 4900 cu. In., 80.3 liters 18W x 26H x 10.5D * The Westwater waterproof backpack is ideal for portaging or hauling gear from the boat to the campsite. * Keep your gear dry even when submerged Easy-to-use ZipDry Seal presses shut like a freezer bag. * 840 denier fabric with a heavy matte PU finish for abrasion resistance and overall strength.