What is the difference between a computer bag and an ordinary backpack? - Pesin Outdoor Products Company

Computer bags have become popular in the 21st century. Computer bags are also one of the kits. The kits pay attention to quality, so there are many differences from other backpacks. 1. The material of the computer bag the computer bag is mainly to protect the computer and other electrical appliances, so the choice of materials can not be sloppy, generally choose high-density nylon or polyester material, especially polyester material will be functional processing, such as waterproof and wear-resistant functions. 2. The inside of the computer bag the inside of the computer bag lies in the selection of lining cloth and the sewing process. Good lining with density (D) As the standard, the higher the density, the better the gravity and pulling property, generally using 150D lining as the minimum standard. And his sewing process generally has to go back and forth at least twice to reinforce the inner structure. 3. The internal structure material of the computer bag, the computer special bag is mainly a three-sided interlayer inside, the interlayer part is a thick sponge, the best is to use pearl cotton. This kind of sponge is added to protect the computer, bumping and shaking the back, and also has a certain heat dissipation function. In addition to these, the current computer bags have all the functions of ordinary backpacks, such as free storage layers, grid bags and functional slots, so the backpacks that many people use outdoors are basically computer backpacks.