Aofit-j Emoji Backpack Casual Daypacks School Book Bags Kid Schoolbag Back to School The Emoji backpack is strong enough to could storage for iPad, notebook, purse, phone, laptop, pens, books, clothes, etc. Canvas fabric with good durability, sponge back with comfortable bearing Adjustable wide knapsack belts enhance comfort and pressure reduction Interior compartment to classify your books and other items, external vice pocket for cellphone, keys or other small objects (Black and White)Size: (16.54''*11''*5.5'')42*28*14 cm Size S(White): (14.57''*12.6''*4.72'')37*32*12 cm Size M(White):(17.72''*13''*5.9'')45*33*15 cm