??LARGE CAPACITY(18L)?? Two zippered compartments.Main compartment is Large enough to carry what you need in the trip. Front pocket great for quick access such as guide books,cash,credit cards and passport.Two large side mesh pockets for water bottles or umbrella.Inner pocket for protecting your valuables. ??CONVENIENT TO CARRY??It can be folded into zippered front pocket and converted to be a handy pouch. You can easily pack it in your suitcase to have an extra bag without taking up space.Pack it to avoid overweight baggage and unpack it upon your destination. ??LIGHTWEIGHT??The backpack is made from ultra-light fabric,provides long-lasting use with minimal weight.It weights only 0.48 pounds,can prevent adding extra load to carried luggage. ??THOUGHTFUL DESIGN?? Two-in-one port,can be a USB port and a headphone jack,which make it convenient to charge your phone and enjoy music while walking. ??MULTIPURPOSE??The backpack is perfect for travel and outdoor sport such as camping,hiking and riding.Also,it’s pretty suitable for daily use,school,and shopping etc.