Highlights: Protective & Organized -- Built-in laptop and tablet PC sleeves of thick soft foam padding and velcro fixed strap provides extra protection from bumps,impacts,and scratches.Multi-compartments with various pockets can organize your daily essentials easily. Convenient & Comfortable -- USB charging port and earphone hole are designed on sides to charge your phone and enjoy music more conveniently. Card pockets are on shoulder straps.Backside of Comfortably-carrying System keeps carrying for a long time in comfort. Safe & Portable -- Anti-pockets on front & backside for your valuables,like wallet,watch,phone,Refective tapes keep your safety on night.Luggage strap on back fixed firmly to your trolley suitcase / luggage case on travel. Stylish & Durable -- Very attractive look, as well as high quality materials with excellent sewing. This is a stylish and very durable backpack,that can used for Business / Travel / College / Hiking / Cycling etc. Sizes:Exterior-47x34x25CM/18.5x13.4.8x9.8Inch,Laptop compartment-45x31CM/17.7x12.2 Inch, fits most up to 17.3 inch Laptops ( Apple Macbook / Acer / Asus / Dell / Fujitsu / Lenovo / HP / Samsung / Sony / Toshiba etc.),may not snugly fit all computers due to variations in the sizes of different models. With a USB 2.0 Charging Port,Earphone Hole,Reflective Tapes,Various Pockets and Attractive Looks,this is an ideal multi-functional durable backpack for the daily commute or business travel,or used as a school bag. This backpack with a well padded built-in laptop sleeve and tablet PC sleeve protects your devices very well on the go,also provides fashion style and functional organization for everyday use in comfort. Creative Design -Connecting inside built-in USB 2.0 cable to power bank, the USB 2.0 Charging Port extened out provides more convenience to charge your phone,tablet PC. -Earphone hole lets you enjoy music more easily. -Reflective Tapes create 360 degrees of reflectivity for more safety in night. -Anti-pockets are for your valuables,like wallet,watch. -Luggage Strap firmly fixed over trolley suitcase on travel. -Card Pockets on shoulder straps,providing more comfort when shopping. -Ultra lightweight & duarable. Well Constructed -Multi-compartment design with various pockets. -Front Pocket: Hiden-type design and anti-theft. -Storage Compartment: Dual-zippered access,pen,phone pockets and a mesh pocket. -Laptop Compartment: well padded laptop tablet PC sleeves;Built-in USB cable;Two pockets for mouse,adapter;Middle is roomy for big items. -Back Compartment: AIRPASSAGE design with thick foam padding;Anti-pocket. -2 Side pockets and card pockets on shoulder straps. -Shoulder straps: soft padding,very sturdy and adjustable for long-time carrying in comfort. Sizes -Exterior:47x34x25CM/18.5x13.4.8x9.8Inch,Laptop compartment:45x31CM/17.7x12.2Inch Fits most up to 17.3 inch Laptops,may not snugly fit all computers of different models. Weight:0.9KG/2lb Gender:Unisex Application:Business/Travel/College/Casual/Sport/Outdoor/Hiking/cycling. Package: 1x Backpack,NOT including other items,like power ban