Mizuno Golf Onboarder. Engineered to fit current British Airways hand-luggage dimensions, with four multi-directional wheels for ease of movement. Integrated design allows the Mizuno Briefcase or Mizuno Backpack to fit seamlessly over the Onboarder’s retractable handle. - Engineered to fit current British Airways hand-luggage dimensions - Optimal movement through four multi-directional wheels - Integrated design allowing the Mizuno Briefcase or Mizuno Backpack to fit seamlessly over the retractable handle - ONBOARD20 Mizuno Golf Onboarder