Custom Eco Friendly Paper Shoping Bag Waterproof Kraft Self Seal Paper Bag With

Product Specification

Product Introduction

The Waterproof Self-Sealing Paper Bag is designed with the principles of "health, hygiene, and environmental protection." It can withstand a 30-minute rain test while maintaining high strength, effectively protecting the contents inside the bag. The sealing area is equipped with a self-adhesive label for easy sealing and opening, ensuring reduced water ingress and keeping food clean and hygienic. At the WORLD PACKAGING AWARDS 2025, Nanwang received the "Market Potential Development Award" for our innovative waterproof self-sealing paper bag.

Advantage

1. 30-Minute Rain Test:Featuring a double-layer full-surface water-repellent varnish coating, this bag withstands daily spills and light rain exposure effortlessly. The self-sealing closure combined with a waterproof coating delivers dual-layer protection, ensuring durability and resistance to tearing. Professionally tested, it maintains structural integrity even under 30 minutes of continuous rain simulation.
2. Innovative Self-Sealing Design:Built-in self-adhesive tabs and tamper-evident flaps ensure the seal can only be breached through destructive opening. Triple-flap self-sealing design guarantees content privacy, offering consumers enhanced peace of mind. The self-adhesive label at the closure provides robust sealing strength while enabling effortless opening.
3. Eco-Friendly Materials:Made from fully biodegradable paper materials, it eliminates white pollution. With a weight range of 120-130g and above, it balances strength and environmental protection. This helps brands establish a green and eco-friendly image.

Application scenario

Factory Information

Nanwang boasts strong manufacturing capabilities, with its headquarters located in the Huadong Industrial Zone of Quanzhou, Fujian. The company features a production and operation area of 200,000 square meters, including a 40,000 square meter international automated standard workshop. It is equipped with over 400 production machines, nearly 100 inspection devices, and thirty automated bag-making production lines, achieving an annual output of over 2.7 billion high-quality eco-friendly paper bags and 9.5 billion food packaging items, leading the industry in capacity.

Nanwang has invested over 400 million yuan to establish a digital printing and bag-making workshop as well as a food packaging workshop, obtaining multiple international certifications covering food safety, quality management, and environmental management systems. With a professional R&D team at its core, it invests an average of 50 million yuan annually in research and development, driving innovation through 14 core technologies and establishing a comprehensive R&D and testing laboratory to ensure product quality.

FAQ

Q1:Can you create the logo and package for me?

A:Yes, of course, it is easy. We have professional designers. 

Q2.Why choose us?

A:1,Big capacity (200 million pcs shopping bag capacity per month, and 900 million pcs food packaging per month),
2,Wide range products (13 types)
3,Strict quality control SOP,
4,Flexible production facility choice (5 factories in China with different shipping port, and Malaysia)
5,Advanced equipment (we have 230 sets machines, most of them are imported to ensure the great and stable quality)
6,Cooperation experience with international brands.
7. Qualified by QS, ISO9001, ISO14001, ISO22000,BRC,FSC,FDA,SEDEX

Q3.What's the best price you offer ?
A:The price depends on the material ,the quantity,the design and the logo.You can tell us more details that we can quote you with the price.But we ensure that we can give you a best price and the quality.

Q4.Can I get a sample before bulk order?

A:Yes ,In order to test the quality ,you can get a sample before bulk order. We are very confident about the quality . And the sample time is 3-5 days.

Q5.What can I do if there are defective products?

A:In this case, please contact us as soon as possible, we will take quick measurements to solve it.