Laptop backpack trolley backpack suitable for unisex colour multicoloured capacity 34 litres weight 22 kg height 52 cm width 33 cm depth 195 cm max laptop size 15 inch size of laptop pocket 35 x 30 x 5 cm features key holder pen holder organiser water bottle pocket padded back internal pockets padded laptop compartment mobile phone pocket outside pockets front pocket mesh side pockets straps tuck away harness main compartment features fits a4 f