• HIGH QUALITY MATERIAL: Our backpack made of waterproof and quality 1680D fabric with metal zippers. 1680D is such strong and top standard fabric used on backpack , ensure a secure & long-lasting usage every day. Perfects for weekend getaways, shopping, office work, business traveling and other outdoor activities. Also, it is a perfect student’s backpack for women, men, teens, boys and girls. *LARGE CAPACITY&MANY POCKETS: This backpack has 3 main compartment pockets. One separate laptop compartment holds 15.6 Inch Laptop as well as 15 Inch, 14 Inch and 13 Inch Mac book or Laptop. The other one packing compartment with many pockets is roomy for daily necessities and tech electronics accessories. Front compartment with zipper pockets and pen pockets; 2 small side pockets with zippers too; 1 rear padded pocket. Make your items organized and easier to find. • CONVENIENT USB PORT DESIGN: With built in USB charger outside and built in charging cable inside, great convenience for charging your electronic devices via connecting your own power bank, offers you a more convenient way to charge your phone while walking. Please note that this backpack doesn't power itself, usb charging port only offers an easy access to charge. • COMFY & BREATHABLE BACKPACK: Adjustable shoulder straps and back side comes with comfortable and breathable sponge mesh design, relieves the stress of your shoulder. A comfortable airflow foam-pad back design with soft, multi-panel breathable mesh padding with good heat dissipation, offer your back maximum back support. A foam-padded top handle for a long time carry on. • ANTI-THEFT&FUNCTIONAL: The backpack back luggage strap allows travel laptop bag fits on suitcase, slide over the luggage upright handle tube for easier carrying. A small anti-theft pocket located on the lower back keeps your phone, wallet, passport, and other valuable items safe and handy. Internal shockproof belt is for fastening your laptop and iPad, preventing them from sliding and bumping. *WARRANTY :NO AFTER-SALES RISK !  We are not only strict in bag stitching ,we pay much special attention of the testing system not only chemical testing but phisical testing in SGS  to make sure the bag is ECO-friendly ! We not only reach at least SVHC testing standard but work to cooperated REACH standard too based on each detailed orders that request by customers .Pls feel free to contact us if the bag you bought have any problem ,write email and our team will contact you asap after getting your email ,pls no worries !