The waterproof 26.9L 1535AirNF Wheeled Carry-On Hard Case in yellow from Pelican is crushproof and made from lightweight HPX2 polymer to protect your sensitive gear. Push-button latches use compressive force to keep the case securely closed until you open it. This version of the case is empty to allow you the freedom to completely customize the roomy 20.4 x 11.2 x 7.2" interior to your specific needs and gear. Carry the case using the overmolded handle or if it's too heavy, extend the pull handle and tow it behind you on its two low-profile, quiet-running wheels.
Featuring an O-ring seal, the case is IP67-rated to make it dust and waterproof. It accepts user-supplied padlocks for extra security and a pressure relief valve ensures it remains easy to open, even after air travel. For easy identification, a polycarbonate card holder that may be placed on the front or side of the case.
As with all bags and cases, you should check with your airline for the exact measurements of what they consider to be carry-on luggage.