Best anti theft backpack for business commuter , daily school life with thief proof design water repellent: No need to worry two much a pulling coffee or drink near your bag when your laptop inside. Just clear water drops in 5 minutes, your things safe. Features anti theft design by hiding the zipper against your back makes others harder to find the zipper, keep your laptop and other valuables safe. Dimension the laptop backpack's size: 10.2" l x 16.9" h x 4.3"w. Laptop compartment holds up to a 15.6 inch laptop. Usb charging port external usb with built-in charging cable. Large & roomy this college backpack can not only soundly protect your laptop and also hold your books, folders, iPad, kettle and other carry-on essentials. It's a very good backpack for working, traveling, hiking, camping, college, school and everyday using. Service & warranty we offer a 45 days limited warranty and friendly customer service for every purchase from pack. Pack your laptop, tablet, books and other essentials for the daily commute inside this large travel laptop backpack from the ipack.Just click "add to cart" button now to experience this for yourself .