School satchel capacity 18 litres weight 076 kg colour red material synthetic fibre series kipling back to school features carry handle reflective elements key holder internal pockets laptop pocket inner zip pocket outside pockets zip compartment straps ergonomic shoulder straps padded shoulder straps bag feature suitable as cabin luggage iata norm height 23 cm width 40 cm depth 31 cm fasteners flap over zip material properties water repellent