Large bags of different materials can be divided according to their soft case and hard case into two categories. Hard case, including ABS (styrene polymer) box with PP box (plastic), soft case generally refers to EVA (high-density foam) box. ABS case with anti-moisture characteristics of pressure, so even in the rain and snow weather, you do not have to worry about the box of items will be damp wet, and because of its relationship with the material, the box itself is not very flexible degree, suitable for storage such as cameras, cameras and other valuables, in case the box by external shocks, the items inside it will not easily be damaged, its lock to lock with side locks. And the other a hard box PP box is molded in a mold produced, and therefore to be superior fastness than the ABS box, which is its greatest feature, other features are roughly the same box with the ABS. EVA soft case is different, it features in its small weight, that is, the box itself is lightweight, flexible box also has a certain degree, it compared with the same specifications ABS, PP boxes hold more items, so the capacity large, light and convenient is its greatest advantage, its lock to lock without lock side, and some models even have locks, the need to add the user with a lock.
According to the performance of different boxes, they could be divided into aviation suitcase, trolley case and suitcase. Suitcase and briefcase generally longer than their width than height, while the trolley is different, its height is greater than the length greater than width. Suitcase is characterized by its one end with the handle, to put to pull, run and convenient, especially for narrow aisle. Trolley name suggests, it has a built-in bar, the user simply pressing a button will be cut in several vertical pull rod, the same as the baggage car pulled away, light effort is its advantage. Briefcases places small, portable and popular among consumers.
Size large bags, there are 18 inches, 20 inches, 21 inches, 23 inches, 26 inches, 27 inches, 29 inches, 30 inch. Specifically, the most commonly used 23-inch box dimensions of 610 420 200mm, 26-inch to 660 490 230mm, 27 inches is 735 570 250mm. In addition to this year's bags are more varieties of specifications, but also abandoned in the design of the original boxy, angular features, and launched a new streamlined shape, color in the original are only burgundy, dark gray, dark green several, based on the bold use of red, blue, yellow, green, blue, apple green and other colors pretty popular, has won the young family's favorite. Some friends if you want to go out, but I do not know what to buy luggage, and if you want to go abroad to study or work, then the specifications for the 30 - 32 inch large air box is your ideal choice.
Want to buy a bag, the basis of actual need to select. First of all, according to the specific circumstances to determine the dimensions of the optional luggage, if you go to fly, then carry the box must not be greater than 21 inches, otherwise it can not carry, and it must for shipment procedures.
Secondly, according to the specifications of dimensions to determine the selection, first check the tank shell surface is smooth, without scars; second check box is smooth and no rough edges, if aluminum corners, then also check whether the package was solid; Third, pulled the box took a few steps, look at the bottom wheel is flexible, steering ability is not strong, good or bad wheels is very important, should choose more rows of wheels and rubber wheel, due to rough handling on the plane, it is easy to make the wheels by loss; Fourth, press the button, pull the lever to see if acting freely, function intact; Fifth, if it is a hard case, then the box flat, put a shell in the heavy container, and ready to stand on their own to the box on try, a box of acceptable quality, then it is no problem; six is the most important thing is to check the lock performance, lock, then you are free to transfer a password try, but it should be noted that the formal transfer password , be sure to choose easy to remember not easy to forget their own 3-digit number, such as date of birth, telephone number, so you can. Otherwise, open the box when the time, it can only dry anxious. After more than a few checks, you can safely buy it. Maintenance of the box is very simple, just not near the fire and corrosive materials and to prevent man-made damage.
Source:http://www.cnmhc.com
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