School backpack capacity 23 litres weight 055 kg colour black suitable for boys material synthetic fibre features carry handle outside pockets front pocket side pockets bottle holder main compartment features two main compartments fits a4 folder straps ergonomic shoulder straps padded shoulder straps bag features suitable as cabin luggage iata norm padded back max laptop size 156 inch size of laptop pocket 37 x 28 cm height 43 cm width 31 cm