Keep your valuables accessible to only you by making this great-value bag your tech backpack of choice.nn31 ( w ) x 11 ( d ) x 45 ( h ) cmnmelange 300D & PU ncapacity: 15 Litresnthe concealed zipper prevents unwanted opening of your bagnby connecting a power bank inside the bag to the charging port, you can then connect your phone to the external port via a charging cable, and charge on the movencomfortable, adjustable shoulder strapsnpadded back panelnpadded laptop compartment will house a laptop of up to 15.6 inches in size