Laptop backpack daypack suitable for unisex colour black style business capacity 18 litres weight 13 kg height 44 cm width 32 cm depth 23 cm max laptop size 141 inch size of laptop pocket 34 x 25 x 3 5 cm features trolley attachment water bottle pocket key holder pen holder internal pockets padded laptop compartment tablet compartment document sleeve mobile phone pocket credit card compartment inside pocket mesh pocket inside zip compartment ou