Made of good quality PU material for the outer surface and oxford cloth for the linning, this backpack is waterproof and durable. It has three main pockets, the biggest of which can hold 16.5 inch laptop with soft protection around. The smooth zippers, strong straps and breathable mesh backing all make it easy to use and carry. It is perfect for business, school, travel, sports etc. With an imprinting logo on it, your brand will surely get more focus among the crowd!