Laptop backpack daypack suitable for unisex colour black style sporty capacity 30 litres weight 119 kg height 47 cm width 31 cm depth 31 cm max laptop size 15 inch features organiser padded back chest strap hip strap emergency whistle key holder internal pockets padded laptop compartment tablet compartment mobile phone pocket inside pocket valuables pocket outside pockets zip pocket mesh side pockets additional fastenings bungee cord safety li