Laptop backpack daypack suitable for unisex colour black style casual capacity 18 litres weight 071 kg height 42 cm width 30 cm depth 23 cm max laptop size 156 inch features key holder pen holder organiser padded back internal pockets padded laptop compartment inside pocket document sleeve mobile phone pocket outside pockets front pocket straps ergonomic shoulder straps main compartment feature fits a4 size bag feature suitable as cabin lugg