What is the size standard for backpacks -? Pesin Outdoor Products Compan

Backpacks are becoming more and more popular and play an important role in life with the rise of sports, academic and literary styles. The practicality, portability and fashion of the backpack are irreplaceable. It is suitable for going out, commuting, traveling, business and other occasions, and is deeply loved by people. Speaking of backpacks, do you know what the size standard of backpacks is? In fact, there is no size standard for backpacks, but there are sizes. Backpacks for different purposes often have different sizes. When purchasing a custom backpack, the size specification is an important consideration. If the size is too large or too small, it will affect the use. Therefore, the appropriate size specification should be selected according to the actual use. In general, the size of the backpack has several key sizes, such as the width and length of the bottom of the backpack and the height of the backpack, as well as the size of the interlayer inside the lining of the backpack. In addition, the size of the backpack is often expressed by capacity. The capacity of common backpacks is 30L, 40L, 50L and 60L. Daily use of about 40L is enough. If you use it for long-distance travel, it is best to choose a backpack with more than 60L. It is worth noting that airlines have size requirements for carry-on backpacks, and must meet the boarding size to take the plane. However, the implementation standards of each airline are different now, but if the backpack exceeds the standard, it needs to be checked. Generally speaking, the length, width and height of backpacks do not exceed 55CM respectively (21 inch), 40CM (15 inch), 20CM (7 inch) , The capacity does not exceed 44L, basically within the allowable range of boarding. Pesin Outdoor Products Company is a luggage industry and trade enterprise integrating development, design, production and sales. It specializes in producing customized backpacks, computer backpacks and business backpacks. It insists on winning by quality and adheres to'In the customer, for the customer' The purpose of serving many top 500 enterprises, good reputation is trustworthy!