Adopting quality canvas and leather material, wear-resistant and durable for long-term use Designed with USB port for convenient charging for your phone The handle and shoulder straps are reinforced and stitched to make sure they won't break during use and make them more durable The shoulder straps are adjustable, allowing you to adjust the length of the shoulder straps according to your personal preferences and comfort level Large capacity with multiple compartments, it can hold your laptop, book, clothing, phone, wallet, etc. Designed with a fixing strap at the back, convenient to put the bag on your trolley case, easy to carry to travel Specification: Item No.: B1003 Backpack fabric: canvas, leather Lining fabric: polyester Size: 30x17x43cm Weight: 1.26kg Structure: main pocket (built-in 15.6-inch computer compartment) + back zipper pocket + zipper pocket + front pocket + internal slot pocket + pen pocket Note: About color: Due to the light when taking photos, different computer screen resolutions and other factors, the actual product may be slightly different from the picture! About size: Due to different manual measurement methods, there is a 1-2cm error, which is within the normal range. Please refer to the actual product!