This backpack is 20 L capacity, large enough to carry what you need for you short journey.It can also be folded very small size.
There is a small bag inside which is use to pack the backpack,it don’t taking up space.
Once you don’t need it, just follow the steps above, you could transform it to a small bag like a fist, then throw it in your suitcase or your pocket.
Since this backpack can be folded into very small like a fist , it is very lightweight, but still sturdy and provides strong and long-lasting performance.