Travel backpack trolley backpack suitable for unisex colour green style casual capacity 41 litres weight 24 kg height 54 cm width 36 cm depth 22 cm features with feet reflective elements outside pockets front pocket zip compartment on the back zip pocket additional fastenings internal compression straps straps compression straps tuck away harness ergonomic shoulder straps padded shoulder strap main compartment feature flip open main compartment ba