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Buying guide

How to choose a carry-on without trusting the title

Pick the airline box first, the empty weight second, and the shell third. The color is last, even when the campaign is paying more for one of the colors.

1. Write down the strictest airline on the trip

A bag that is legal on the outbound Southwest flight can fail the connection on American. Use the smallest published box on the itinerary, not the airline you like. The size checker has the limits we read on November 10, 2026, with links back to each airline. If a basic or light fare is in the cart, check whether a carry-on is even included. United, Spirit, Frontier, Allegiant, Ryanair, and several European light fares will take a fitting bag and still charge you.

2. Measure the outside, then ignore the case size

Wheels and the handle housing count. Travelpro prints both numbers on the Maxlite 5: a 21 × 14 × 9 inch case and a 23 × 14.5 × 9 inch overall. The second number is the one the sizer sees. If a listing gives you one triplet in the title and another in product details, believe the larger one until a tape says otherwise. Our Coolife two-wheel review is the example of a listing that does not deserve a fit chart.

3. Subtract the empty weight from the airline cap

US majors often skip a carry-on scale. Lufthansa publishes 8 kg. Emirates, Qatar, and Singapore publish 7 kg. Air France and KLM publish 12 kg combined with the small bag. A 9.9 pound HeGent has already spent most of a 7 kg cap before a shirt goes in. A 5.4 pound Maxlite 5 leaves room. Empty weight is not a personality trait. It is packing budget.

4. Match the shell to the failure you have had

A cracked corner wants polycarbonate that flexes, which is the claim Samsonite, Travelpro's Air, Coolife, and LEVEL8 all make in different words. A zipper that split wants a frame, which is the HeGent, at a cost in width and weight. A bag that is annoying in a hotel wants exterior pockets, which is the softside. A bag you will check anyway wants a warranty you can actually read. Travelpro states a limited lifetime warranty. The Freeform listing states 10 years. LEVEL8's listings state 2 years. We are quoting those lines, not grading the claims department.

5. Pack the personal item like it might be your only bag

The MxDicha tote at 14 × 11 × 6 inches is the personal item in this set, with a sleeve that drops over a spinner handle. It does not add a carry-on to Basic Economy. On a beach week, the same rule applies whether you are on the Maya coast or in a city from Mexico Travel Atlas: the under-seat bag holds the things that cannot go to the hold.

6. Leave the kids set unmeasured and it is a guess

Rosamo's 6-piece kids set is a family product, not an adult carry-on. The marketing says 16 inches. The product-details field does not describe a roller. Measure the shell with the wheels on before you promise a child it will fly. Removable wheels only help if the airline's rule is the one you think it is, and most of the rules above include the wheels.

When the bag is chosen, the trip still needs a plan. Atlas Travel Guides is the wider map. This page is only the rectangle that has to fit over your seat.