Travel backpack trolley backpack suitable for unisex colour green style casual capacity 75 litres weight 42 kg height 71 cm width 36 cm depth 32 cm features key holder address label detachable daypack pen holder organiser chest strap hip strap padded back internal pockets mp3 player pocket laptop pocket outside pockets front pocket additional fastenings internal compression straps straps ergonomic shoulder straps tuck away harness main compartm