
manufacturers supply black and white express bags: 17*30 and 50*70 sizes are optional
professional choice: factory direct sales of high-quality express bag
For the modern express industry, a reliable and efficient express bag is essential. The black and white express bags directly supplied by our factory are well received in the market for their excellent professionalism and reliability. This express bag adopts high standards of production standards and technology to ensure excellence in every detail. Whether it is used for personal mailing or corporate delivery, it can easily cope with various express packaging needs and provide you with unparalleled quality assurance.

Diversified requirements: Choose any of the two specifications
In order to better meet the needs of different customers, we provide express bags of 17*30cm and 50*70cm. The former is small and portable, which is very suitable for sending small documents, letters and other lightweight items; the latter is more suitable for large packages and heavy cargo transportation. Whether it's daily office supplies or large pieces of furniture, these two specifications match perfectly, making it easy for you to handle a variety of shipping tasks.

Rugged: Enduring quality assurance
Our black and white express bags are made of high-strength polyethylene material, which has excellent tear resistance and compression resistance. Whether it is long-distance transportation or frequent handling, it will not be easily damaged. In addition, the express bag has also undergone strict waterproof testing, even if it encounters rain and snow, the internal items are still intact. These characteristics make our express bags perform well in all kinds of harsh conditions, saving you time and cost.

Easy and Efficient: Simplify your delivery process
The design of this express bag fully takes into account the convenience and efficiency of users. The unique self-sealing design makes the packaging process simple and quick, eliminating the need for tedious tape sticking steps. At the same time, the widened sealing edge increases the tightness and prevents accidental detachment. Many users said that the use of this express bag has greatly improved their work efficiency, especially when handling a large number of packages during peak hours.

Widely used: suitable for all kinds of express business
Whether it is personal mailing, corporate delivery or e-commerce platform delivery, this express bag is competent. For individual users, it can be used to send birthday gifts, holiday cards, etc.; for enterprises, it can be used to send contract documents, sample materials, etc.; and in terms of e-commerce platforms, it is an ideal choice for merchants to deliver goods. According to statistics, more than 90% of enterprises have chosen our express bags as the main packaging material, which is enough to prove its wide applicability.

Intimate service: all-round after-sales support
In addition to quality products, we are also committed to providing perfect after-sales service. If you encounter any problems during use, you can contact our customer service team at any time, we will be the first time to give answers and support. In addition, we also promise to return the goods within seven days without any reason to ensure that the rights and interests of each customer are protected. Many customers commented that the reason why they trust us for a long time is precisely because of this sincere service attitude.

Environmental philosophy: choosing sustainable solutions
In the selection of materials, we always adhere to the principle of environmental protection and use recyclable materials for production. This can not only reduce the waste of resources, but also help to reduce carbon emissions and protect the ecological environment. We hope that through such efforts, we will leave a cleaner and more beautiful earth for future generations. If you also agree with this concept, please join us to support green logistics solutions.

Time-limited Promotion: Seize the Good Opportunity of Offer
Now in the special promotion period, anyone who buys our black and white during this period
