While carry-on case sizes vary by airline, most major carriers require cases to be a maximum of 22 x 14 x 9 in. including the handles and wheels. Always check with airlines for their specific guidelines. Our hard shell carry on cases are lightweight and durable to withstand frequent travel and feature heavy duty wheels and handles for easy transport. All of our carry-on cases are TSA lock compatible. This design allows TSA agents to open the lock using a specialist tool. Allowing them to inspect the contents of your luggage without damaging the lock or your belongings. Shop our selection of TSA approved maximum carry-on size cases from brands you can trust: SKB, Pelican, Gator, Nanunk, Shell-Case, Seahorse and Elyar cases.