Product Name: Business Backpack
Size: 30x16x42cm
Color: as picture shows
Feature:
High-density oxford material, waterproof and durable.
External USB charging port with built-in charging cable is easily to charge your smart phone(only USB port, power bank not included).
Can hold 15.6 inch laptop.
Can expandable from 16cm to 23cm.
Breathable, large capacity, anti-theft and mutifuctional interior compartment.
Tie rod fixing strap suitable for suitcase.