Description
Technical Parameters
Dongguan FENGLINWAN was established in 2007, 17 years has been engaged in outdoor waterproof bag research and development and production. Is one of the world's professional waterproof bag manufacturers. At present, we have 200 employees and 150 production machines, the product range has covered waterproof backpacks, cold bags, waterproof laptop bags, waterproof duffel bags and other products. If you are also looking for a quality waterproof bag supplier, please contact us by email.
Perfect for camping trips, this Waterproof Single Shoulder Strap Insulated Cooler Pack is made of high quality waterproof fabric and multiple waterproof designs to protect against moisture and leaks. Top closed cell foam insulation helps keep your food or drink at the ideal temperature. In addition, removable and adjustable shoulder straps offer a variety of carrying options to enhance portability for all your outings. It is the ideal cold pack for outdoor camping
Product Advantages

Excellent refrigeration performance
The use of top foam closed cell insulation materials and three layers of insulation design, effectively prevent temperature loss, can maintain the ideal temperature of drinks for a long time, suitable for outdoor activities in the freshness of drinks.

High quality waterproof design
The combination of waterproof and airtight zipper and waterproof pocket ensures that the product can provide effective waterproof function in wet environment, which can avoid liquid leakage in the bag and ensure that it is not affected by external weather, which is very suitable for outdoor activities in various weather.

High-quality durable fabric
High-quality double-coated TPU nylon material makes the bag with good tear resistance and antibacterial properties, not only longer service life, and easy to clean and not easy to residual bacteria, is very suitable for food storage waterproof bag.

User-friendly details
The top handle and single shoulder strap design provide more ways to carry, and the removable and adjustable shoulder strap also improves the portability of the refrigerated bag. In addition, the large capacity of the interior space design makes it easier to use, can carry more drinks or food at one time, so that users can enjoy the activity without worrying about the safety and convenience of items.
Our other high-end waterproof bag products
As a professional waterproof bag manufacturer, we have a wide range of products designed to meet people's needs for waterproof bags in their lives. Here are our other high-quality waterproof soft cooler bags.
Building a world-class waterproof Insulated cooler bag






For more information on waterproof duffel bags, contact us now and we will be online 24 hours a day
About FENGLINWAN

Why choose FLW as your trusted waterproof picnic cooler bag supplier
Dongguan Fenglin Bay Leisure Products Co., Ltd. was established in 2007, The waterproof bag production plant covers an area of 12,000 square meters, with more than 200 employees, including the planning director, production director, material purchasing director, sales director, export director, technical personnel, pattern maker and quality inspector. The waterproof cooler bag factory is equipped with 8 sewing lines and about 150 machines, including cutting machines, high-frequency welding machines, laser machines, double needle machines and wire drawing machines. Monthly output can reach 120,000 to 150,000 pieces, fully equipped to handle large quantities of purchasing needs. Our management system integrates the advanced experience of Hong Kong and Taiwan and adheres to the concept of sustainable development. At present, our products are sold in Europe, the United States, Japan, South Africa, and other places. We are a globally recognized supplier and manufacturer of professional waterproof soft coolers.
Our Advantage

12,000 square meters factory area

Have a systematic and professional management team

has about 150 machines with a monthly production capacity of 120-150K.

Has passed ISO-9001/13485 quality management system certification, BSCI certification

More than 20 waterproof bag R&D designers

Each production line has a QC who will check the quality on the production line.
Our service
17 Years of Export Experience in Waterproof Bags
We efficiently meet diverse procurement needs, whether you are a distributor, brand owner, or department store looking for tailored waterproof bag solutions.
1:1 Exchange Guarantee
All our products come with a one-year warranty and lifetime technical support. We promise a one-for-one replacement for any defective items.
Fast Sample Production
We provide samples for your testing. If in stock, you'll receive them within 4-5 business days; if not, production takes approximately 3-5 days.
24/7 Online Support
Our team is available around the clock to ensure prompt responses to your inquiries and swift quotes.
Consistent Quality
With our own factory and established partnerships with raw material suppliers, we guarantee stable pricing and rigorous quality control.
Custom OEM and ODM Solutions
We offer highly personalized OEM and ODM services, designing waterproof bags to meet the unique needs and preferences of your brand.
About Waterproof Cooler Pack OEM/ODM Services
Our sales team conducts in-depth discussions with clients to understand the product specifications, including design, functionality, dimensions, material options, and color choices. Communication takes place through email, WeChat, WhatsApp, and other platforms. Clients are welcome to share their designs or samples for guidance, or we can provide our existing designs for them to modify as needed.
Once the product design is finalized, we begin sourcing materials for the sample production. This process includes selecting the main fabric, with TPU or PVC being crucial for heat-sealed products. We also provide a variety of materials for components like webbing, buckles, and zippers, allowing for customization according to client preferences.
Our R&D engineers develop paper templates based on the specifications shared by the sales team. Utilizing laser cutting technology, they accurately cut these paper templates, which will guide the actual material cutting.
With the paper templates ready, engineers create new molds, which typically take 7-10 days to complete. The waterproof bag assembly involves stitching and bonding parts such as the back, shoulder straps, and pockets to the main body. All seams, including zippers, undergo high-frequency welding to maximize waterproof effectiveness.
After producing the waterproof sample, we perform thorough testing for air and water leaks. The bag is inflated and monitored for any deformation over a 24-hour period to assess its airtightness. For water resistance, we fully submerge the bag and watch for escaping air bubbles.
Once the sample is approved, we provide a detailed quotation that includes product descriptions, unit prices, material costs, mold fees, minimum order quantities, and payment terms. Upon receiving customer confirmation, we initiate mass production, coordinating with department heads in a kickoff meeting. The first finished product is inspected by the OC Leader and salesperson to ensure it meets standards before a report is sent to the production manager for final approval.
FAQ
Q: Is there a minimum order requirement?
Q: Which logistics companies do you use for shipping?
Q: Do you support third-party quality inspection before shipment?
Q: What payment options are available?
Q: How long will it take to receive the sample?
Q: How can I visit your factory?
Q: I want to design my own brand of waterproof Cooler Pack. How do you meet my needs?
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