KROSER 17.3-Inch Laptop Backpack, Water-Repellent Business 。?DURABLE MATERIAL: This stylish laptop backpack is made of high-quality water-repellent poly fabric; Dimensions: 18.5”x13.5”x9.1”, fits up to 17 inch laptop; Weight: 2.98LBS. ?MULTI-FUNCTIONAL COMPARTMENTS: Separated compartments and pockets are designed to provide roomy space for your computer, iPad, power bank, A4 files, wallet, cards, clothes, etc. Well-padded foam for your computer with organizer dimensions fits up to 17 inch laptop. RFID Pockets with Identity protection function protects date encoded on most IDs, credit cards and passports. ?USB PORT : Built-in USB port is convenient to charge your cell phone by the connected power bank in a safe way. (POWER BANK is not included) ?FUNCTIONAL & SAFETY: A well-knitted luggage strap is quite convenient to fix the backpack on the trolley of your luggage, making your journey and travelling more relaxing. Design of an air-flow back padding system and a secret pocket on the back ensures great comfort and safety in your journey. ?DURABLE & COMFORTABLE: This practical backpack is large and durable, well-padded back panel close to your back tightly, adjustable padding shoulder straps and sturdy handle offer you comfort carrying for a long time. Perfect for college, travel, business, everyday use and outdoor activities.