The higher the density, the more wear-resistant the material, the smoother the hand feel, and the better performance in terms of waterproof and dustproof. Therefore, when purchasing a computer bag, try to choose those using high-density materials, so as to fully protect the notebook.
Check whether the corners and crimping of the computer bag are neat, whether there is any disconnection or jumpers, if every stitch is very elegant, it is high craftsmanship. The zipper is often a detail that is easy to overlook, but it is also the key to the computer bag. A good quality zipper not only allows you to easily complete the action of loading and unloading, but also an important part of the laptop bag’s load safety, so it is not sloppy.