Laptop backpack daypack suitable for unisex colour black style business capacity 24 litres weight 13 kg height 48 cm width 355 cm depth 28 cm max laptop size 156 inch size of laptop pocket 37 5 x 26 x 3 5 cm features trolley attachment water bottle pocket padded back key holder pen holder organiser internal pockets padded laptop compartment inside pocket inside zip compartment mesh pocket mobile phone pocket tablet compartment outside pockets