1.MATERIAL: The backpack Made with water-resistant waxed canvas fabric waterproof canvas is a bit stiff and wrinkled initially and genuine cowhide leather.(leather surface have disorderly wrinkles, scars, scratches that present the style of retro and wildness) 2.POCKETS:Multiple pockets design: Internal access to 1 large main compartment for computer, books, supplies or clothing;1 main thick elastic/velcro strap foam padded laptop compartment; 2 slip pockets + 1 wall zipper pocket inside to storage cell phone, car keys, wallet etc External access to 1 flap front pocket and 2 side pockets. 3.ROOMY:Multi utilization pocket design allows you to bid farewell disorganization. This canvas rucksack can accommodate folders, A4 files, books, iPad, cosmetics, cellphone, charger, water bottle, wallet, lunch box and more .