The backpack made of durable,water resistant polyester.The shop has a selection of 9 colours,I chose black for every day for my son's school books.It decorated with diamond shape synthetic leather and a woven label.The backpack doesn't have any lining for the lightweight look.The size of backpack is 43cm × 33cm,width is 14cm.The backpack has 1 main compartment for all the books,it can even fit a laptop and iPad in it.Main section has a file divider in it too.Outside is the zip pocket for your things that you need a quick access to like pencil case,phone,wallet and act.At the side backpack has 2 pockets for your water bottles or an umbrella.2 straps at the back are padded for extra comfort and they are adjustable.Fully padded back panels deliver optimum comfort for your back.Premium quality SBS zipper is featuring extra long zipper puller and you close it from both sides.