Laptop backpack daypack suitable for unisex colour black capacity 155 litres weight 12 kg height 42 cm width 365 cm depth 225 cm max laptop size 141 inch size of laptop pocket 34 x 25 x 3 5 cm features key holder water bottle pocket padded back trolley attachment internal pockets mesh pocket inside zip compartment tablet compartment document sleeve mobile phone pocket mp3 player pocket laptop pocket inside pocket outside pockets front pocket