This hardshell geometric backpack combines style and functionality effortless. Diamond backpack has two seperate internal compartment with extra protection padded cushion that makes it ideal for your devices like laptop and tablet. There is a usb charging port and a high quality code locker. Trolley case fixing straps allow the backpack to be combined with the trolley case, free your hands, make your travel easier and more enjoyable! Shoulder strap zipper card pocket included to make your payments convenient and safer. Your Diamond Backpack is water and dirt resistant and it comes in two styles so you can choose the perfect one to complete your needs. The ordinary style Diamond Backpack is suitable for daily office routine and the upgrade style Diamond Backpack can be extented about 10cm wich is suitable for travelling.