Laptop backpack daypack colour black capacity 17 litres weight 04 kg height 38 cm width 30 cm depth 18 cm max laptop size 15 inch size of laptop pocket 35 x 27 x 4 cm features key holder pen holder organiser water bottle pocket padded back internal pockets padded laptop compartment mobile phone pocket outside pockets front pocket side pocket straps ergonomic shoulder straps bag feature suitable as cabin luggage iata norm material synthetic fib