Hiking backpack childrens backpack suitable for childrens colour green style sporty capacity 16 litres weight 054 kg height 38 cm width 22 cm depth 14 cm features key holder removable seat address label reflective elements chest strap padded back outside pockets front pocket lid pocket mesh side pockets straps ergonomic shoulder straps padded shoulder strap main compartment feature fits a4 size bag feature suitable as cabin luggage iata norm