This unique water proof Laptop Backpack . It is Portable and has multiple compartments to give you a well organized storage of your Laptop and other personal items.It has USB charging interface design, easily keep your smartphone full power anytime and anywhereMulti-function and well padded, Suitable for all kinds of outdoor activities, such as travels, seminar, business, trip, college.Built with strong and durable zippers,S-shaped ergonomic design of shoulder strap and scientific reasonable weight-bearing designMaterial: CanvasInternal Material: PolyesterOpen Way: ZipperInternal Structure: Mobile Phone Bags, Document Bags, Zipper BagsGender: UnisexStyle: Leisure, Business, FashionFeatures: Comfortable, Convenient, Environmentally FriendlyApplication: School, Business, Travel.Capacity: It can comfortably take an 15.6" Laptop and other personal effects.WASHING - This Backpack is not washing machine proof, however since the whole backpack is made from water repellent material the backpack is already better protected against dirt and stains attaching to the fabric. And it is easily washable with a wet cloth or wipe.Please note that power bank is not included. You need to get a power bank to power your device. Dimension:(43cm×29cm×13cm)Slide to the images to get full specifications.