DURABLE MATERIAL: This stylish laptop backpack is made of high-quality water-repellent ballistic fabric; Dimensions: 21.25”x15.7”x9.8”, fits up to 18.4 inch laptop; Weight: 3.08LBS | MULTI-FUNCTIONAL COMPARTMENT: Our large travel backpack with separated compartments and pockets which can provide roomy space for your computer, iPad, power bank, A4 files, wallet, cards, clothes and more your items. A zippered pocket and a mesh one at each side can hold your umbrella, water bottle, etc. A sunglass hard shell zone is designed on the top which is convenient and safe for you to put your sunglass, cell phone etc | USB PORT DESIGN: 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 for you to fix the laptop bag on the trolley of your luggage, making your journey and travelling more convenient wherever you go. Design of an air-flow back padding system and a secret pocket ensures great comfort and safety in your journey.RFID Pockets with Identity protection function protects date encoded on most IDs, credit cards and passport | DURABLE & COMFORTABLE: This practical backpack with a sturdy handle with steel cable on the top for carrying, side compression straps keep the exclusive backpack at whatever size you requires. This laptop backpack is large and durable, which is perfect for College, travel, hiking, camping, business, and outdoor activities