32 inches. The conventional dimensions of a 32-inch suitcase are: 53cm*88cm*30cm. It belongs to a large suitcase and must be checked, which is more suitable for people who need long-distance travel or go on road trip. 20 inches and below: it is also a boarding box, which can be taken on the plane without consignment. The capacity does not accommodate too many things, and it is suitable for short trips, business trips or student parties who are close to home and often go home 1-3 days. 22 "~ 26": common standard size, of which 24 "/26" is the most popular, with plenty of space, neither too small nor too big. It can be used for short or long distance of about 65,438+00 days. You can pack thick clothes in winter. It is also suitable for college students who are far from home. 28 inches and above: can hold more than 20 sets of clothes, and can travel long distances by one person or two people. It is more suitable for studying abroad, traveling abroad, moving in winter and traveling.