Laptop backpack daypack suitable for unisex colour blue style casual capacity 39 litres maximum volume 43 weight 105 kg height 48 cm width 325 cm depth 26 cm max laptop size 15 inch size of laptop pocket 34 x 31 x 6 cm features key holder waterproof zips reflective elements pen holder organiser chest strap water bottle pocket padded back internal pockets padded laptop compartment outside pockets front pocket mesh side pockets straps ergono