1, luggage can be divided into soft cloth box and hard box according to material (hard box can be divided into ABS and PP); 2. According to the structure, the suitcase can be divided into two types: vertical pull rod suitcase and horizontal suitcase; 3. Suitcases can be divided into 18 inch suitcases, 20 inch suitcases, 22 inch suitcases, 24 inch suitcases, 26 inch suitcases, 28 inch suitcases and 30 inch suitcases.

First of all, the suitcase: of course, the pull rod should be built in, and the material must be steel (the external pull rod and wheels are definitely not suitable for the brutal loading and unloading of various flights now)! The box should have a steel skeleton, the fabric should be rain-proof and the material granularity should be larger, because the suitcase 2 is more wear-resistant and the wheels must be built in. By the way, many boxes now say that they are equipped with four rotatable wheels, and consignable boxes must not use such wheels, because they are exposed too much and easy to fall off. The material of the wheel is rubber, of course. The quieter the sound, the better. In fact, the box is also very simple, and other things are not very important, such as suit bags or tall buildings, depending on your own preferences!