Teenagers Backpack PU Leather School Bags Girl Cartoon Cat

Backpack refers to the bag that is carried on the back. The materials are various, such as leather, plastic, polyester, canvas, nylon, cotton and linen. In the era of more and more individuality, various styles such as simplicity, retro, and cartoon also cater to the needs of fashionable people from different aspects to show their individuality. The styles of luggage have also expanded from traditional business bags, school bags, and travel bags to pencil cases, coin purses, and small sachets. Material Craft Editing Broadcast
Because the backpack is used in a special environment, higher requirements are placed on the material and craftsmanship of the backpack. All the places where the backpack is stressed are backstitched three times with stitches to make the stressed places strong and durable. The buckles and other parts of the backpack can be frost-proof, smash-proof, and deformed at 120 degrees Celsius without damage. The outer materials of the backpack are mainly 420D Oxford nylon, 1000D nylon, 600D or 1000Dpolyester (polyester), or 1000D CORDURA and other materials. The 1000D material has high density and is very wear-resistant, making it very suitable for field use. CORDURA is a well-known high-grade wear-resistant nylon roving fabric developed by DuPont in the United States. The material's abrasion resistance is much higher than that of ordinary nylon or polyester, and it is lightweight. More than 90% of the world's famous brand backpacks are made of this prestigious nylon material. These materials can withstand water pressure of 0.5m~2m, keeping the contents of the bag dry. Some materials also have a tear-proof function. Once punctured, the breach will not be torn apart and expanded. Development StatusEdit Broadcast
With the continuous improvement of people's living and consumption standards, all kinds of backpacks have become indispensable accessories around people. Everyone requires luggage products not only to be strengthened in terms of practicality, but also to be expanded in decoration.
China is a big country in the production of bags. Four major PVC bag production bases have been formed in China, namely Huadu in Guangdong, Quanzhou in Fujian, Pinghu in Zhejiang Province and Baigou in Hebei Province.
There is a huge demand space in the international luggage market, which directly promotes the export growth of China's luggage products, making the luggage export achieve a stable growth trend. In 2007, the export value of China's luggage was 10.81 billion US dollars, a year-on-year increase of 24.21%, and the export volume was 7.779 billion, a year-on-year increase of 21.56%.
Category Use Edit Broadcast
Large backpacks with a volume of more than liters are suitable for medium and long-distance travel and more professional adventure activities. For example, when you are going to a region like Tibet for long-distance travel or mountaineering expeditions, you should undoubtedly choose a large backpack with a volume of more than liters. Some short- and medium-term trips also require large backpacks when camping in the wild, because only it can hold the tents, sleeping bags and sleeping pads you need for camping. Large backpacks can be divided into mountaineering bags and long-distance travel backpacks according to different uses.
Mountaineering bags are generally slender and long in order to pass through narrow terrain. The bag body is divided into upper and lower layers, and the middle is separated by a zipper interlayer, which is very convenient when picking and placing items. The sides and top of the backpack can be tied with tents and cushions, which virtually increases the volume of the backpack. There is also an ice axe cover outside the backpack, which can be used to bundle ice axe and snow poles. The most worth mentioning is the back structure of these backpacks. There is a lightweight aluminum alloy inner frame that supports the bag body. The shape of the back is designed according to ergonomic principles. The back is wide and thick, and the shape is in line with the physiological curve of the human body. "S" shape design, and there are chest straps that prevent the straps from sliding sideways, making backpackers feel very comfortable. And all of these packs have a sturdy, wide and comfortable waistband that can be adjusted in height. Users can easily adjust the straps to their own height according to their body shape. Generally speaking, the bottom of the backpack is above the hips, which can transfer more than half of the weight of the backpack to the waist, thereby greatly reducing the burden on the shoulders and reducing the damage to the shoulders caused by long-term load.
The body structure of the long-distance travel backpack is similar to that of the mountaineering bag, except that the body is wider and equipped with many side pockets, so that the scattered objects can be sorted and placed.
The volume of medium-sized backpacks is generally between 30 and liters. These backpacks are more widely used. For 2-4 days of field trips, travel between cities and some long-distance non-camping self-help travel, medium-sized backpacks are more suitable. . The clothes and some daily necessities that you bring with you can fit. There are more styles and types of medium backpacks. Some backpacks have added side pockets, which are more convenient for packing items. The back structure of these packs is roughly the same as the larger packs.
The volume of small backpacks is less than 30 liters. These backpacks are generally used in cities. Of course, they are also very suitable for 1-2 days of outings.


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