???Dimension??16.1*11.4*3.9 Inch, multi-compartment, suitable for holding Laptop, Notebook and Ipad, etc. up to 15.6 Inch, with multi-compartment, you can arrange your backpack reasonably and turn it highly organised. ???Side Pocket??Designed to meet your needs to free your hands, you can put water bottles and compact umbrellas in it easily and firmly so you can enjoy a happy trip and attend school without much burden. Even gadgets, charging lines and earphones are OK. ???Comfortable and Stress-relieving??Breathable airflow design with much padding on the back and the shoulder straps, it will be comfortable for your shouder and back when you carry heavy things for a long time. And also the straps can be adjusted to suit your height when necessary. It all depends on you. ???Water-repellent and Scratch-proof ?? Made of Water Resistant and Durable Fabric with metal zippers, you need not worry about the sudden rain when you forget to bring an umbrella with you and to some extent, it will prevent your stuff from being drenched for a short time. It is also scratch-proof. ???Convenient USB & Headset Port Design??With built-in USB charger outside and built-in charging cable inside, it will be convenient for you to charge your phones when walking or shopping. Please note that this backpack doesn’t power itself and USB charging port only offers you an easy access to charge and a USB extension cable is provided;You can also enjoy music or etc. while the phone is kept in the bag and the earphone wire can pass through the backpack through a zipper.