Trolley backpack childrens backpack suitable for childrens colour red theme spiderman style casual capacity 225 litres weight 19 kg height 465 cm width 335 cm depth 26 cm features with feet reflective elements chest strap padded back outside pockets front pocket straps ergonomic shoulder straps padded shoulder strap main compartment feature fits a4 size bag feature suitable as cabin luggage iata norm material synthetic fiber fabric speci