Laptop backpack daypack suitable for unisex colour black style sporty capacity 30 litres weight 067 kg height 485 cm width 325 cm depth 14 cm size of laptop pocket 40 5 x 28 x 4 cm dimensions of tablet compartment 26 5 x 21 5 cm features padded back organiser water bottle pocket chest strap emergency whistle internal pockets padded laptop compartment tablet compartment outside pockets front pocket side pocket additional fastenings gear attachme