
With the rapid development of e-commerce, efficient and safe logistics packaging has become an indispensable part of business operations. Today, we will discuss in depth a high quality black and white express bag directly supplied by the manufacturer, with specifications ranging from 17*30 to 50*70, to solve your packaging problems in an all-round way.
Starting from the source: understanding the cost advantage and quality assurance behind factory direct sales
Choose factory direct express bag is not only affordable price, but also a high degree of trust in product quality. Compared with the middleman sales model, the direct way of manufacturers to customers significantly reduces circulation costs, so that consumers enjoy more cost-effective products. In addition, these bags have undergone strict production process control to ensure that every detail meets high standards.

multi-size analysis: why can 17*30 to 50*70 meet all kinds of package requirements
Different item sizes require matching packaging solutions to achieve the best protection. The diverse size range offered by this courier bag covers all possible situations, from small letters to large-volume goods. For example, for books or folders, a smaller size (such as 17*30) is sufficient; for large home appliance accessories or other bulky items, you can choose a larger size (such as 50*70) to ensure that there is no During transportation, the risk of damage will increase due to insufficient space.
Material selection: revealing the production process and durability of high-quality black-and-white express bags
This series of express bags are made of high-strength polyethylene material, which has excellent tear strength and is not easy to be damaged even in the face of sharp objects. Its surface coating is waterproof and moisture-proof, which can effectively resist the invasion of bad weather conditions. At the same time, the classic black and white color to make its appearance simple and generous, and easy to print brand logo or other information, easy to identify management.

Application scenario expansion: applicable to which industries and packaging requirements in special environments
In addition to the traditional e-commerce field, this express bag can also be widely used in financial bill delivery, medical supplies packaging and other professional areas. Especially in some cases where there are special provisions on seismic resistance-such as precision instrument parts delivery tasks-it has become one of the most trusted choices for many businesses by virtue of its superior technical parameters.
Answers to user concerns: such as load-bearing capacity, environmental standards, and customization options
We also explained in detail the topics that consumers are generally concerned about:
About load-bearing capacity: Each model has a clear maximum load limit marked on the outside, so that the operator can judge the applicable situation.
Relevant environmental protection standards: All products have passed the certification of relevant national testing institutions and are members of the ranks of degradable plastic products.
As for customized services: Support the addition of personalized LOGO patterns or text content according to customer needs to help spread the brand image.
