ORILOOSEN 17/15.6" Business laptop backpack, PU Travel backpack,carry on backpack, Expandable laptop backpack Women Men,college backpack (02#updated, Black)

SUITABLE SIZEBackpack size: 47cm*34cm*18 (25) cm( 18.5" * 13.4" * 7.1" ( 9.8" )).
Weight: 1kg/ 2.2 lb. Suitable for 17/ 15.6" laptops. (The upgraded version adds a side cup pocket and the fabric is thicker). ^^ LARGE CAPACITYThe backpack has an expandable design. When you travel and need to carry a lot of clothes, you can open the expansion zipper, so that you can get a backpack with a capacity of about40L. ^^ USB CHARGING PORTThe side of the backpack has a USB charging port, which is connected to the power bank, which can easily charge your mobile phone when you are on business and travel. ^^ WATER RESISTANTPU coated fabric is soft and skin-friendly, but also better waterproof. ^^ LUGGAGE STRAPWhen you are on business and traveling, you can put it firmly on your suitcase, very convenient. ^^ MULTIPLE OCCASIONSThe side of the backpack has a handle that attaches the shoulder strap to the back of the suitcase strap. It can also be used as a suitcase. Whether you are on a business/travel/daily trip/work/university, etc., it is perfect.