Teach you how to pick the trolley case

First of all, according to your choice of places to go, if it is to go to areas with more rain should be selected sealing and waterproofing strong teaching products. If you need to often carry the trolley go need to choose cloth trolley, more portable.
According to where you often go to select the function of the trolley case, such as business to do business need to choose to place a laptop, easy to place folders, briefcases and other office supplies. If you simply go travel you choose small, easy to carry products.
Selection of products to check the surface of the box is smooth, no scars;
Check the edges and corners of the box is not smooth, if there are aluminum corners, but also check whether the package is solid;
Take the box a few steps to take a look at the bottom wheel is flexible, steering ability is not strong  the wheel is very good or bad, should choose multiple rows of wheels and rubber wheels, the aircraft rude handling, it is easy to make the wheels damaged;
Press the button, pull out the lever to see if the retractable, fully functional;
If it is hard case, put the box flat, put a heavy object in the box, you can also stand on the box to try, the box quality is acceptable, then there is absolutely no problem;
The most important thing is to check the performance of the lock, the password lock, you can feel free to adjust a password try it, but to note that the official tune password, we must choose to facilitate their own memory but not easily forgotten 3 digits, like Birth date, phone number and so on.