How to distinguish the quality of the backpack
The main features of the backpack are easy to carry, liberating hands, light weight and good wear resistance, which provides convenience for going out.
The back structure of the backpack directly determines the purpose and grade of the backpack. The structure of the back of the brand-name computer backpack is more complicated. At least six or more pearl cotton or EVA are used as breathable mats, and even aluminum frames. The back of the general backpack is a piece of pearl cotton of about 3MM for the breathable board. The simplest bag-type shoulder bag has no padding material except the material of the backpack itself. Computer backpacks are of good quality but have fewer styles. Sports shoulder bag styles are more choices, but the material work is general. The stylish backpack has a small capacity, but is suitable for women in informal settings. So how do you judge the quality of a backpack? Mainly from the following two aspects:
Workmanship with a modern backpack
A good shoulder bag is very neat for each corner and pressure line. There is no off-line and jumper. Every needle work is very elegant. This is a symbol of high craftsmanship.
Material of the shoulder bag
The material of the popular backpacks in the market is limited, such as nylon, Oxford, canvas, and even more is the leather crocodile skin, etc., can be attributed to luxury goods, the general computer backpacks are used 1680D double shares The fabric is relatively medium to upper. The 600D Oxford cloth is a commonly used material. In addition, canvas, materials such as 190T and 210 are usually used for relatively simple beam pocket type backpacks.
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