TINYAT Laptop Backpack College Bookbag Daypack Travel Hiking Nylon MAIN MATERIAL: : The backpack is made of durable Polyester fabric, scratch-resistant anti-tear, water splashing , very simple but fashion. APPROX DIMENSIONS: L 12 x W 7.5 x H 17.5 inches; it can hold up to 10 to 14 inches laptops, also has a front pocket for iPad. MULTI-POCKETS WITH USB PORT: 1 main zipper pocket , 1 laptop compartment zipper pocket, 1 front zipper pocket, 1 small zipper pocket, 2 side pocket with inner small pocket, 1 inside Mesh pocket. It also has a USB charging port so you can easy and quick charge any of your devices so your gadgets will never run out of battery. PERFECT FOR: business, school, hiking, travel, camping, day-trip, easy to use and carry WARRANTY: All of our bags have 1-year warranty. If you have any problems with your bag, please feel free to contact us.