“Cooler Bag/Insulted Bag/ Thermal Bag/Lunch Bag”
Source factory & one stop cooler bag wholesales!
Cooler bag & Lunch bag manufacturers
- Professional OEM & ODM Cooler Bag Manufacturer.
- Eco-Conscious Production with Sustainable Materials.
- Custom-Designed Solutions for Your Brand.
- Proven Quality with Rigorous Performance Testing.
- Competitive Pricing & Reliable Supply Chain.
Allsun has over 16 years of experience in the soft insulated cooler bag industry and is equipped with advanced sewing and inspection equipment.
With 10 production lines, over 7,000 square meters of factory, and more than 200 skilled workers. We provide high-quality cooler bag at competitive prices to support your business.
Your trusted partner for cooler bag, offering one-stop manufacturing and timely delivery. Focus on your business, we’ll handle the rest.
What Can We Make for Your Business?
At our cooler bag manufacturing facility, we focus on crafting high-quality products designed to elevate your business. With a commitment to innovation and customer satisfaction, we collaborate closely with you to deliver tailored solutions that drive success and enhance your brand.
Explore Our Main Product Lines
We specialize in producing high-performance insulated cooler bags for all your needs. Our diverse range includes practical lunch bags, reliable Pizza delivery bags, durable cooler bags for extended outings, spacious grocery totes, complete picnic backpack sets, and elegant wine bags. Each product is crafted with premium materials and customizable options to ensure optimal temperature protection for your specific requirements.
Top cooler bags keep food fresh for hours—perfect for daily use, work, or outdoor fun.
- Thermal conductivity: 0.01234W/(m·K)
- Low Temperature Bending: 0.4564
- Elongation at Break: 0.2645%
- Firmness: 0.454
- Operating Temperature: 1000°C
Picnic bags/backpacks include utensils and plates—Ideal for friends or family picnics outdoors.
- Thermal conductivity: 0.01234W/(m·K)
- Low Temperature Bending: 0.4564
- Elongation at Break: 0.2645%
- Firmness: 0.454
- Operating Temperature: 1000°C
There are various standard colors, and special colors can be customized.
- Thermal conductivity: 0.01234W/(m·K)
- Low Temperature Bending: 0.4564
- Elongation at Break: 0.2645%
- Firmness: 0.454
- Operating Temperature: 1000°C
There are various standard colors, and special colors can be customized.
- Thermal conductivity: 0.01234W/(m·K)
- Low Temperature Bending: 0.4564
- Elongation at Break: 0.2645%
- Firmness: 0.454
- Operating Temperature: 1000°C
Low thermal conductivity, good sealing and insulation effects.
- Insulation system: 0.1023
- Thermal conductivity: 0.0125
- Elongation at Break: 0.1023
- Low temperature bending: 0.102
- Color: Customizable
Sound-absorbing and noise-reducing, fire-retardant and flame-retardant.
- Insulation system: 0.1023
- Thermal conductivity: 0.0125
- Elongation at Break: 0.1023
- Low temperature bending: 0.102
- Color: Customizable
Sound-absorbing and noise-reducing, fire-retardant and flame-retardant.
- Insulation system: 0.1023
- Thermal conductivity: 0.0125
- Elongation at Break: 0.1023
- Low temperature bending: 0.102
- Color: Customizable
Sound-absorbing and noise-reducing, fire-retardant and flame-retardant.
- Insulation system: 0.1023
- Thermal conductivity: 0.0125
- Elongation at Break: 0.1023
- Low temperature bending: 0.102
- Color: Customizable
Fully Customizable
What information is required to customize cooler bag?
- 1. Design & Branding: Provide your high-resolution logo, artwork, and preferred printing method.
- 2. Dimensions & Capacity: Specify the desired length, width, height, and volume (e.g., in liters).
- 3. Material & Insulation: Indicate preferences for the outer shell fabric and insulation type/thickness.
- 4. Features & Closure: Detail required features like pockets, handles, strap types, and closure mechanism.
- 5. Quantity & Timeline: Share your total order quantity and required delivery date.
- 6. Target Budget: Provide your budget range per unit to facilitate suitable material recommendations.
In summary, providing these key details enables us to start crafting a precise quote and ensure the final product perfectly matches your vision, guaranteeing a seamless collaboration from concept to delivery.
How We Guarantee Built-In Quality in Every Cooler Bag
High-Performance Insulation Materials
Use food-grade, durable, and eco-friendly insulation materials that offer excellent temperature retention, are leak-proof/water-resistant, and resistant to wear and tear.
Strict End-to-End Quality Control
Conduct thorough quality inspections at every production stage—from raw material sourcing and processing to final assembly—to ensure consistent quality across all units.
Reinforced Construction & Stitching
Ensure reinforced stitching at high-stress points (e.g., handles, zipper seams, and load-bearing areas) to prevent tearing and enhance the cooler bag’s weight-bearing capacity.
Food-Safe & Regulatory Compliance
Meet global food-contact safety standards (e.g., FDA, LFGB) and environmental regulations, ensuring no harmful chemicals are used and the bag is safe for storing food/beverages.
Durable Zippers & Hardware
Test zippers for smooth operation, and verify the durability of hardware (e.g., buckles, handles) through repeated use and load tests, ensuring long-lasting performance.
Comprehensive Performance Testing
Conduct pre-launch tests (including temperature retention duration, leak-proof/waterproof checks, and impact resistance) to confirm the cooler bag performs reliably in real-world scenarios.
Our services
From roofing and wall systems to clean rooms and cold storage, we deliver quality and efficiency for every project.
Roofing system
PU/rock wool composite panel system
Vertical lock seam bite roof system
Wall system
PU curtain wall panel
PU edge-sealed rock wool board
Four-point metal curtain wall system
Steel building system
Prefabricated metal plate system
Prefabricated floor slab system
Prefabricated metal plate drainage system
Purlin system
Clean room
Cleanroom panel
Cold storage system
PIR/PUR cold storage panel
Module building
TOWO® cabin modular houses
About Materix
Materix Color Steel Products Nantong Co., Ltd. was established in June 2017, covering an area of 40,000 square meters, including 20,000 square meters of plant area.
The company is located in the beautiful scenery of Nantong Hai’an County, is the earlier domestic use of advanced technology to produce color steel products.
Produces color steel tile, hand sandwich panel, perforated tile board, drying road board, floor bearing plate, cement-free floor bearing plate, C-beam, Z-beam, a few words steel, color steel pressure tile, color steel glazed tiles, light tiles, aluminum alloy tiles, activity room, color steel downpipes, rock wool sandwich panels, PU polyurethane sandwich panels, extruded plastic sandwich panels, and other products!
Our production environment
We are factory direct sales, from consumers to stores to wholesalers to agents to general distributors to factory merchants, choose us to save a lot of intermediate links, to bring you the maximum profit margin!
Professional, enthusiastic and reliable PU Sandwich panel specialists
I have 5 years of experience in the industry, which allows me to quickly understand your needs and develop the most suitable procurement plan for you.
Project Construction
We have rich project experience and can tailor a solution for your project based on your needs, providing excellent quality at a low cost.
Common Questions
Most Popular Questions.
We have listed some questions you may ask. If you have more inquiries about our products, you can send an inquiry to contact us.
We offer a range of core materials for our PU Sandwich Panels, including polyurethane, rock wool, and glass wool. Each material is selected for its specific properties, such as insulation performance and fire resistance, to best suit the requirements of different construction projects.
Absolutely! You can choose the size, type of metal for the outer plates, and even the color and texture. We make sure everything fits just right for your project.
Our panels are really tough against fire and great at keeping the heat where you want it. They help make your space safer and more comfortable while saving on heating costs too.
We offer a range of core materials for our PU Sandwich Panels, including polyurethane, rock wool, and glass wool. Each material is selected for its specific properties, such as insulation performance and fire resistance, to best suit the requirements of different construction projects.
Our panels are really tough against fire and great at keeping the heat where you want it. They help make your space safer and more comfortable while saving on heating costs too.
Our panels are really tough against fire and great at keeping the heat where you want it. They help make your space safer and more comfortable while saving on heating costs too.
Want to find the source factory to save money in the middle?
With a source factory where exterior panels can be customized in terms of size, metal type, and even color and texture, and with years of experience in production, choose us to maximize our benefits.
Get Samples Now !
View samples of our pu sandwich panel products. Seeing the quality of our products with your own eyes, let’s officially start our cooperation.