- (+86)-595-2866-7678
- service@vancharli.com
- Within 24 hours response from our salesman
As a waterproof bag manufacturer with 30+ years of experience in high-frequency welding technology, we know that keeping food and drinks fresh is crucial for outdoor activities. We are committed to providing global brands with high-quality, high-performance waterproof cooler bags, allowing your customers to enjoy chilled beverages and fresh meals in any environment.
Our waterproof cooler bags are made with high-frequency welding technology, ensuring every seam is 100% seamless and 100% waterproof, completely eliminating any leakage issues. we support wholesale cooler bags, OEM/ODM customization, and private label projects. Our cooler bags are widely used for outdoor events, camping, beach, sports, ect.
We offer a diverse range of wholesale cooler bags to cater to your different customer groups
OEM/ODM Available | Low MOQ | Free Sample
Trustworthy Quality
As a leading waterproof cooler bag manufacturer with over 30 years of expertise since 1995, we specialize in OEM/ODM waterproof cooler bags made with advanced high-frequency welding. Our factory, covering 15,000 m², is equipped with 30+ HF welding machines, laser cutting, automated systems, and a team of 400+ skilled workers. We offer full in-house control from mold, material sourcing, sampling, to mass production. Our cooler bags are durable, leak-proof, and custom-designed to meet your market needs.
The difference between our waterproof cooler bags and ordinary ones?
The biggest difference lies in sealing and cooling performance. Ordinary cooler bags are stitched, creating numerous needle holes that allow water to seep and leak, and their cooling effect is subpar. Our waterproof cooler bags use high-frequency welding technology for a 100% seamless finish, completely preventing leaks
Key Features of Waterproof Cooler Bags:
Fully sealed seams with high-frequency welding
Durable & easy to clean
Keeps food and drinks cool for 24–72 hours
Multiple carrying styles (backpack, shoulder, hand-held)
Customizing a waterproof cooler bag is more than just changing its size and color. We offer
Thickened TPU or PVC coated fabrics, to meet different levels of abrasion and cooling needs. All our fabrics undergo strict waterproof and cooling performance tests.
From small personal cooler bags to large picnic bags, we can customize different sizes according to your needs.
We offer a wide range of standard color swatches for you to choose from, and we can also precisely customize colors based on your brand’s palette or Pantone codes
We support multiple techniques like silk screen printing, heat transfer, UV printing, and the tactile PVC/Rubber patch to ensure your brand logo is clearly and durably displayed.
We have a library of 2000+ ready-to-use high-frequency molds, covering various cooler bag sizes and shapes, which can significantly shorten your development cycle. If you have unique design requirements, we can also customize exclusive molds for you.
Customizable features like detachable straps, multi-functional handles, internal dividers, a bottle opener, and external pockets to enhance product utility.
We’ve served clients in outdoor, FMCG, and promotional markets, including brands in North America, Europe, and Asia. Our waterproof cooler bags have been used in camping sets, food kits, and seasonal promotional campaigns.
We understand that certifications are important standards for measuring product quality and factory strength. Our products and production processes have passed multiple international authoritative certifications to provide you with reliable quality assurance:
Contact us now and partner with a professional waterproof cooler bag manufacturer to get your exclusive customization plan.
Here are real photos shared by clients after receiving their custom waterproof bags. Thank you for your trust in our product quality!
Dive into Durability: Your Questions About Wholesale Waterproof Bags, Answered!
Our MOQ is typically 100 units, but it can vary depending on the bag style and customization details. Feel free to contact us for a personalized quote for your project.
Sample production takes about 5-7 business days. Mass production, depending on order volume and customization complexity, is typically completed within 25-45 business days.
We have an extensive material inventory, including but not limited to economical and durable PVC coated fabric, eco-friendly and cold-resistant TPU coated fabric, lightweight and abrasion-resistant nylon, and high-strength Cordura fabric.
Absolutely. Our professional design team will review your drawings and provide optimization suggestions to ensure the feasibility and production efficiency of your design plan.
Absolutely. As a professional custom waterproof backpack manufacturer, we support various logo customization techniques, including silk screen printing, heat transfer printing, UV Printing, laser,laser embossing, and tactile PVC/Rubber patches, ensuring your brand identity is perfectly presented. Our design team will also assist you in refining your concepts.
Our dry bags typically achieve IPX6 to IPX8 ratings. IPX6 means resistance to powerful water jets, IPX7 indicates submersion in 1 meter of water for 30 minutes, and IPX8 means continuous submersion beyond 1 meter (specific depth to be discussed) without water ingress.
Under standard testing conditions, our cooler bags can stay cool for 24-72 hours. The duration is affected by several factors, including: external ambient temperature, the amount of ice/ice packs inside, and how often the bag is opened. Our cooling performance is based on scientific closed-cell foam insulation technology, designed to maximize the duration of freshness.
The biggest difference lies in sealing and cooling performance. Ordinary cooler bags are stitched, creating numerous needle holes that allow water to seep and leak, and their cooling effect is subpar. Our waterproof cooler bags use high-frequency welding technology for a 100% seamless finish, completely preventing leaks
✅ Submit an inquiry for:
