Black Wolf Bladerunner is in our top 5 selling rolling duffle bags. Bladerunner comes in 3 sizes: 60+20, 80+20 and 100+30 litres and is available in chilli red/black , blue/black or black. We sell the 60+20 to kids going on school camps for a couple of days . The 80+20 and 100+30 we sell to families travelling and hiring cars where they can stack the duffles on top of each other in the boot or footwell in the rear seats.