What is the difference between a waterproof backpack and an ordinary backpack? You will know after reading it-Pesin luggage

In summer, the speed of turning over is the same as turning over books. When you say change, you change. When you walk outside, you are most afraid of the storm that comes and comes. It doesn't matter if people get wet, if the important documents and electrical appliances in the backpack are wet, the loss is not a little bit. Therefore, it is even more important to have a waterproof backpack, how is the waterproof backpack waterproof? What is the difference between a waterproof backpack and an ordinary backpack? Let's listen to the brief introduction of Pesin Outdoor Products Company. 1. Material difference. The biggest difference between waterproof backpack and ordinary backpack is in material selection. Ordinary materials are wet when exposed to water, and some materials have water repellent function, that is, the coating is added inside the material to block the entry of some rainwater, but it is useless if it encounters heavy rain, and the coated material has a certain service life, it won't work for a long time. Most of the materials used in waterproof backpacks are airtight or breathable and impervious. The coating is thicker, and the other side even has a film, which has better waterproof performance. 2, the difference in the production process, the waterproof backpack production process is more complicated than ordinary backpacks, many completely waterproof backpacks need to open the mold when making, the common is some hard shell backpacks, these are all used in the mold opening process, and ordinary backpacks basically only need to use the traditional sewing process. 3, the difference of accessories, regardless of the waterproof backpack or ordinary backpack, the manufacturer's opening method is the zipper opening, which involves the choice of zipper accessories, the ordinary backpack is the ordinary zipper, it is not waterproof and breathable, while the zipper selected by the waterproof backpack is waterproof and will not seep in when exposed to water, thus protecting the contents more effectively. There are several ways to open the bag mouth of the waterproof backpack: Generally, the opening is a roll, that is, the bag mouth is folded and folded with a buckle or other parts to achieve the sealing effect. The other is bayonet sealed bag mouth, which is used for small waterproof bags, and large waterproof bags are unrealistic. Another is the airtight zipper opening, which is a waterproof zipper with high waterproof level. This kind of zipper has high cost, generally used in advanced waterproof backpack openings, outdoor ice bags, waterproof pockets. The above is Pesin luggage manufacturers about' What is the difference between a waterproof backpack and an ordinary backpack' If you want to know more about waterproof backpacks, please consult online. Pesin Outdoor Products Company has been focusing on luggage customization for 15 years, and can customize related waterproof backpacks according to customer requirements and budget. Pesin Outdoor Products Company has served many well-known enterprises such as Baidu, Huawei and TCL, it has formed a good reputation in the industry, and has a group of energetic engineers and production personnel with nearly 20 years of experience to build a professional design and production team. It is a trustworthy backpack factory.