Ozone Wheeled Carry-On 42L/21.5"When you need to pack as much as possible without hitting airline weight limits, the Ozone Series provides a lightweight option so you can bring as much as you like. The Ozone Wheeled Carry on 42L 21. 5" hits most US carry on requirements with a 14" chassis width (always check with your airline provider), and includes everything you need to stay organized, move swiftly through terminals or train depots and roll confidently over even the most