The advantage of a backpack is that it is easy to carry and does not require both hands. To determine the pros and cons of notebook backpack can start from the following:
First, see whether the workmanship is standard. Look at the corner of the bag and whether the line is neat, there are no off lines and jumpers appear, if each stitch is very elegant, is a high technology.
Second, look at the materials used, the general computer shoulder bags are used 1680D two-strand fabric is relatively medium offset. and 600D Oxford cloth is more commonly used materials. Other materials, such as canvas, 190T and 210, are usually used for simple bundle-pocket-type shoulder packs.
Third, look at the back structure of the package. Because the back structure of the bag directly determines the use and grade of the backpack. In general, the structure of the back of the double shoulder package is more complex, there will be more than six pieces of EPE, and some will have aluminum frame support. And the grade of the general shoulder bag behind is a piece of 3mm of pearl cotton to do breathable plate. The simplest and most common type of bundle-pocket shoulder bag is not padded.
Four, generally speaking, the quality of the laptop is still relatively good, the movement of shoulder bag second, a variety of fashionable women-style shoulder bag of the grade is not the same, high middle and low all have, more suitable for women in the informal occasions to use.