Bronze Times Preppy Style Leisure Canvas Travel Backpack(Black) Canvas This backpack is made from soft and durable high density canvas Size:12.87(L)inch *7.02(W)inch *15.6(H)inch Construction of this bag: a main pouch,a vice magnetic button pocket in the front,two zipper pockets on both sides;inside the main pocket:a phone pocket and a credentials pocket,a concealed zipper pocket.Multiple lays of pouches are convenient for you to put enough stuffs Large capacity:Be able to put in A4 paper file and magazines and iPad tablet The shoulder straps can be adjusted to a comfortable length as you like