Main material: This backpack is made of durable terylene fabric. It's very durable.</br>Structure: A total of 6 pockets. 1 main zipper Pocket?? 2 sides mesh pockets?? 2 front zip pockets and 1 laptop sleeve. There are several small pockets in the second front zip pocket for your cell phone and wallet.</br>Approx Dimensions: 12" x 20" H x 6"W Capacity: 30L (Middle size fits up to 15.6" Laptop.)</br>Warranty: All of our bags have 1-YEAR WARRANTY(Refund or Replace). Any problems with your bag?? please contact us. We will solve it.</br>KAKA: It's an awesome backpack that you will receive many compliments from your family and friends.</br></br>Product Description</br></br><p><b>Key Features:</b><br> - 100% Brand New?? you will love this backpack as soon as you get it.<br> - Made of quality oxford fabric with excellent stitching technic which makes the backpack strong and durable.<br> - This backpack can hold up to 17"aptop?? with enough room to accommodate your additional accessories.<br> - The lining of the bag is water resisted?? so it's not easy to get wet.<br> - One front pocket could store your electronics devices and daily stuffs; one front zipper pocket for small stuffs and two side mesh pockets.<br> - The main pocket provides large capacity so your clothes?? daily necessities?? and books could be put in it. It has a special inner layer for the laptop.<br> - It's a very good backpack for working?? short traveling?? college?? school and everyday using.<br> - Warranty: All of our bags have 1-YEAR WARRANTY(Refund or Replace). Any problems with your bags??please contact us. We will solve it.<br> - Please allow little color difference due to different camera or light environment.</p> <p><b>What you can put in this laptop backpack? </b><br> - You can put 2-3 clothes?? A4 books?? 15.6"pad?? glasses?? wallet?? keys?? earphone?? power bank?? camera?? cell phone and document in the bag.</p> <p><b>How to maintain the backpack? </b><br> - Wash it with clean water in ordinary temperature.<br> - DO NOT wash it with hot water and alkaline detergent.<br> - Hang to dry and store in ventilated place instead of sun exposure.<br> - Wash Separetely to avoid staining.</p> <p><b>Package includes: </b><br> - 1 * backpack</p> <p></br><br/>http://www.amazon.com/gp/product/B01LZJ3UPEE/images/G/01/