Product developers. using the most advanced technologies available. created the new cases with the lightweight demands of today's traveler in mind. New features including a magnesium handle system. pop-up TSA combination lock. and a removable mesh panel divider help to create the ultimate travel system.The distinguished new shape was achieved by using the geometric X-Rib pattern which helps to decrease weight and enhance material strength. All parts. including the swivel casters and heat-stamped nylon lining have been custom designed for the launch of this new collection.The Zero Air II Collection is the result of the design team's relentless pursuit of the highest levels of luggage performance. Zero Halliburton's philosophy has always been guided by attention to detail. toughness and durability.Zero Air II is the embodiment of that philosophy. The Zero Air II Lightweight Wheeled Business Case features a newly designed polycarbonate shell and Zero Halliburton's X-Rib design. Extremely lightweight and durable. this case is the perfect combination meant to meet the needs of today's traveler. 5 Year Limited Lifetime Warranty