With a USB Charging Port and attractive looks of Check Pattern,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 can protect your devices very well on the go,also provides fashion style and functional organization for everyday use in comfort. Creative Design -Check Pattern on front. -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. -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. -Side Pockets are perfect combination of zipper and elastic access. -Ultra lightweight & duarable. Well Constructed -Multi-compartment design with various pockets. -Front Pocket: Dual-zipper acess and very big. -Storage Compartment: Dual-zippered access,pen,phone pockets;Built-in USB cable.Roomy for big items. -Laptop Compartment: well padded laptop and tablet PC sleeves; -Back Compartment: Thick breathable foam padding;Anti-pocket. -Side pockets: elastic for water bottle,umbrella etc. -Card pockets on shoulder straps. -Shoulder straps: soft padding,very sturdy and adjustable for long-time carrying in comfort. Sizes -Exterior:47x34x17CM/18.5x13.4x6.7Inch,Laptop compartment:45x31CM/17.7x12.2Inch Fits most up to 17.3 inch Laptops,may not snugly fit all computers of different models. Weight:0.87KG/1.9lb Gender:Unisex Application:Business/Travel/College/Casual/Sport/Outdoor/Hiking/cycling. Package: 1x Backpack,NOT including other items,like power bank