Advantage:

      1. Light weight super compact daypack easily for day trips or carry-on use

      2. Folds into zippered inner pocket to fit anywhere. Unfolds from pocket to backpack.

      3.Avoid overweight charges on every trip, simply unfold from your luggage and use it as a carry on for your excess baggage

      4. Adjustable and removable shoulder strap

      5.Material: 75D nylon fabric

      6.Dimension: 30x46.5x11.5cm when unfolded