Daypack childrens backpack suitable for childrens colour blue style vintage capacity 7 litres weight 022 kg height 29 cm width 20 cm depth 13 cm features removable seat address label reflective elements water bottle pocket padded back internal pockets inside pocket outside pockets front pocket side pocket straps non padded shoulder strap main compartment feature flip open main compartment bag feature suitable as cabin luggage iata norm materi