Big Stone weatherproof and airtight luggage bags provide a full open zip top with the most element-protective zipper available. Big Stone luggage has been thoroughly tested to protect against rain, snow, dust and even odors. Every Big Stone luggage bag is constructed of a durable PVC exterior shell combined with a SCUBA style fully waterproof, airtight zipper and double stitched seams - delivering an unmatched performance bag for the field, flight or float. Luggage bags are available in 40, 70, and 120-liter sizes - providing size options for any travel adventure, from a weekend getaway to a week-long mountain expedition. The lightweight, durable design can be shoulder slung, worn as a backpack or handheld from the heavy-duty grab handles, providing hands-full versatility.Approximate Dimensions (flexes): 22" X 13.5" X 9"Approximate Weight: 47 ouncesFully Waterproof Air Tight SCUBA style zipper3-way Adjustable Carry - backpack, shoulder bag or handheldHeavy-Duty Grab handlesAir tight, water tight, scent tight designDouble Stitched SeamsBleeder valve for compressing air outward for space-saving or adding air for flotationFully waterproof internal mesh pocket built into topWater resistant external pockets500D PVC full waterproof exterior shellOne year unconditional warranty