WATERPROOF - The backpack is made of high quality waterproof nylon fabric (not completely waterproof). Reinforced, adjustable double shoulder straps provide optimal carrying comfort. LARGE CAPACITY - The backpack comes with a separate laptop pocket that fits up to 15-inch laptop, and a main compartment that can hold books or clothes. Moreover, the interior zipper pocket and slip pocket can organize your iPad, power bank, pen and other essentials. The exterior has a front zip pocket, a back anti-theft pocket and two side pockets. STYLISH AND PRACTICAL - Whether for business, travel or shopping occasions, this backpack can free your hands and let you become a fashion spokesperson. In any expected festival, this backpack is worthy as a gift to your family, friends, etc.