LARGE CAPACITY Laptop backpack has a total of 5 compartments and 17 pockets, which can provide great organization and storage for your computer, A4 folder, books, clothes, etc. LAPTOP PROTECTION The work backpack has a 17.3-inch laptop pocket, a 12.9-inch iPad slot, come with a elastic strap and thick cushion can offer the optimal protection for your devices. TRAVEL FRIENDLY The luggage strap allows this travel backpack to securely fit on a trolley case, back anti-theft pocket keeps your valuables safer, makes your travel easier. USB PORT DESIGN You can easily connect your phone to the USB port, giving you a more convenient way to charge your phone while walking. (POWER BANK IS NOT INCLUDED) DURABLE MATERIAL LOVEVOOK Backpack is made of high-density polyester, durable, lightweight(2.0lb), soft, tear and water-resistant, and easy to clean.