Aofit-j Emoji Backpack Smiling Face Casual Daypacks School Book Bags Kid Backpack Back to School Black Size(Length x Thickness x Height): about 11"*16.5"*5.5"28*42*14 cmInternal: 1 medium pocket,1 gift(key chain or Bags Accessories) Adjustable wide knapsack belts enhance comfort and pressure reduction Canvas fabric with good durability, sponge back with comfortable bearing,Material: Polyester Interior compartment to classify your books and other items, external vice pocket for cellphone, keys or other small objects Quality Guarantee: Manual inspection EACH BAG, any problem please contact us asap. We will serve u all the time