<ul class="productmiaoshu"><li><span class="a-list-item"> WELL MADE BACKPACK: This fashion backpack made of eco-friendly and waterproof polyester fabric, with durable and classic metal zippers. Comfy and fashionable. </span></li><li><span class="a-list-item"> USB PORT DESIGN: With built in USB charger outside and built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking. Please noted that this backpack doesn&#39;t power itself, usb charging port only offers an easy access to charge (POWER BANK IS NOT INCLUDED). </span></li><li><span class="a-list-item"> LARGER CAPACITY &amp; MULTI-FUNCTIONAL: Backpack Dimension: 11.2(L)*7.5(W)*17(H) Inches. Main pocket can fit up to 15’’ laptop, the back zipper pocket can fit your small tablet; and there are many small multi-pockets, you can put glasses, wallet, keys, earphone, power bank, cell phone, document and essentials, etc. (The pictures shows the pocket structure of the backpack more clearly ) </span></li><li><span class="a-list-item"> FEATURES: Multi colors and humanized design. A well-knit luggage strap is quite convenient for you to fix the backpack on the trolley of your luggage; leather handle buckle are the best choice of fashion, makes it more safe and comfortable. </span></li><li><span class="a-list-item"> CUSTOMER SUPPORT: Provide you with high-quality backpacks and service. If you are unhappy with our products, then CONTACT US, professional customer service staff will solve any problems for you. </span></li></ul>