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waterproof bag

Custom Waterproof Bag
Manufacturer

20 years of professional experience in waterproof bag manufacturing, and the products have obtained international authoritative waterproof certification.

OEM/ODM     Free design    Punctual delivery of goods

Production of waterproof bags

✤ Supports customization of multiple products and accepts small-batch orders (minimum order quantity: 300 pieces).

✤Logo can be printed in bulk to boost brand promotion.

✤Offer free style design services and custom sample-making services.

✤One-stop international logistics, including customs clearance services.

✤Free consultation and product shooting support.

✤The professional quality control team ensures product quality.

 

Click to watch the production

Haihan’s waterproof bags are exported to over 150 countries around the world, and have accumulated diverse design experience from different regions globally. We provide reliable and versatile waterproof bag customization services for global brands, covering brand promotion, bulk purchases, and personalized customization needs. No matter whether it’s brand promotion, bulk purchase, or personalized customization requirements, we can fully support each of your projects with professional services and reliable products.

Why choose us to be your waterproof bag supplier?

We firmly believe that our professional expertise and commitment to high-quality manufacturing processes can provide you with the best customized services.

Customized Services
Customized Services

We offer comprehensive OEM/ODM services. We provide free design solutions and ensure your differentiation advantage with excellent service and quality.

Quality Control
Quality Control

With advanced seamless welding technology and mature mold processes, we implement strict quality control in every production stage. Focusing on quality, we ensure that each product can withstand tests.

Quality Control
Production Cycle

With twenty years of experience in waterproof bag manufacturing, we can efficiently coordinate the production process and deliver your requirements on time with a more competitive delivery cycle.

Innovation and Research
Innovation and Research

We have served nearly 150 enterprises in over 150 countries worldwide. We have accumulated a large number of research and development ideas and solutions in the field of waterproof bags, all aimed at enhancing your brand image and uniqueness.

Welding process of waterproof bag

We employ precise sealing welding technology, combined with high-strength waterproof fabric, to ensure that the product is seamless and leak-proof. It has passed international authoritative certifications such as SGS, ISO, CE and BSCI, and has reliable quality. The waterproof performance is outstanding, reaching IPX6 level (resistant to strong water jets), IPX7 level (resistant to short-term immersion) and IPX8 level (continuous underwater immersion). It is not afraid of harsh environments and fully protects the safety and dryness of the items inside the package.

            

Wet-proof bag welding process
Customized Waterproof Bag Service

Materials for waterproof bags

  • PVC: Excellent waterproof performance, durable and long-lasting, affordable price, making it popular in small-scale markets
  • TPU: Strong waterproof performance, suitable for use in harsh environments, environmentally friendly and non-toxic, high transparency, suitable for designs requiring transparent windows, higher cost.
  • Nylon: Usually in composite coating (TPU, PVC, PU), which enhances waterproof performance, lightweight fabric, medium price
  • Polyester: Needs additional coating (TPU, PVC) to enhance waterproof performance, affordable price,lightweight fabric

What styles can be customized for waterproof bags?

waterproof cooler bag
  • Waterproof bucket bag: This is the most popular style on the market. It is simple and convenient, and can be folded for storage. It can be used with a single shoulder strap or a double shoulder strap at any time.
  • Waterproof backpack: It has an enhanced shock-absorbing carrying system. When carrying heavy objects, it can effectively reduce the burden, allowing you to ensure your belongings while reducing the pressure on your shoulders during exercise or in bad weather.
  • Waterproof travel bag: Customizable with large capacity and powerful functions. It can carry more heavy equipment and is mainly used by sailors, explorers, and long-distance cyclists. Usually, travel bags are designed with multiple D-ring accessories and loop straps to facilitate fixation on motorcycles, roof tops, etc.
  • Waterproof cooler bag: Three-layer structure, with insulation foam added in the middle. It can keep warm or keep ice, and can effectively control temperature.
  • Vacuum compression waterproof bag: The waterproof bag is equipped with a vacuum valve port, allowing it to be easily placed in a suitcase to save space.
Waterproof bag Sealing Method

Roll-top style: A large opening for easy access. It only needs to be folded three times to achieve a waterproof IPX6 effect and is the most popular style.

Waterproof zipper: Waterproof zipper/water-tight zipper/air-tight zipper (can withstand heavy rain or submersion up to 1 meter underwater). Customized according to requirements.

Waterproof bag silk screen printing
Customized Waterproof Bags Printing Styles

Screen Printing / Heat Transfer Printing: It can customize bright colors, high-fine and complex patterns, durable, strong adhesion, and low cost.

Digital Printing: Computer-controlled ink printing, fast and flexible, but with a higher cost.

Customized waterproof bag size
Customized Waterproof Bag Size

The capacity can be customized from 2L to 70L. Pockets can be added both inside and outside. It features a dry-wet separation design.

It can be customized with a single shoulder strap or a double shoulder strap.

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HOW WE WORK

We possess the most advanced production equipment and strict quality control. Our products are sold all over the world and have gained the trust of both the market and customers in the industry.

waterproof bag custom

By deeply understanding your brand’s style and target audience, we design and develop products, and ultimately create waterproof bags that showcase the brand’s personality and outstanding performance.

Do you support customizing the size and functions?

We offer customization options for size, color, logo, pocket layout, shoulder strap design, and more. Additionally, special features such as USB charging ports and reflective strips can also be added.

Can a waterproof bag completely prevent water from entering?

Our waterproof bag has passed the IPX7 certification and remains watertight when submerged in 1 meter of water for 30 minutes. However, it is recommended to avoid prolonged underwater use. Make sure the zipper is fully closed.

For which usage scenarios is it suitable?

Outdoor sports, maritime operations, military protection, medical emergency response, and other scenarios can all be customized to meet different environmental requirements.

What's the difference between a regular waterproof bag and an all-purpose waterproof bag?

All-purpose waterproof bag: It can withstand heavy rain erosion or float on water for a period of time. It is highly suitable for any water-related activities (rafting, kayaking, swimming, etc.) and internal waterproofing. The material is wear-resistant and tear-resistant. It keeps your items dry at all times during water activities.

Regular waterproof bag: Usually only suitable for light water exposure in daily life, such as water repellency and small rain. Regular waterproof bags often use nylon material, with needle sewing at the seams and sealing strips for internal waterproof reinforcement. However, even so, the waterproof strength is far less than that of the dry bag’s waterproof mechanism.

Do you offer free design services?
  • Yes. If you are not good at designing, you can provide your ideas. Our team with 10 years of design experience will offer you a free design proposal.
  • If you have your own design draft, you can also send it directly to us. We will produce it for you.
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