This foldable backpack is made of high quality material, resistant to wear and tear. The fabric is also water resistant which keep everything inside not be soaked and ruined when a spurt of rain. Put it in your luggage and unfold it when you need it. The length of the wide shoulder straps are adjustable. Features a classic shape with several pockets for storage and organization. This backpack has one roomy main compartment to put your clothes, books, pad or anything else. One front zipper pocket to hold accessories and two side mesh pockets for water bottle or umbrella. And the inner zipper pocket is designed for your wallet, credit card, keys or other valuable things. It provides enough room for your couple days journey.