Your trusted cooler bag factory since 2014. We produce custom-branded insulated cooler bags, soft coolers, cooler backpacks, and thermal delivery bags for outdoor brands, food & beverage companies, and e-commerce sellers — with full private label and OEM/ODM service.
Looking for a reliable cooler bag manufacturer? Junyuan Bags has been designing and manufacturing custom insulated cooler bags since 2014, with our founder bringing over 20 years of bag industry expertise since 2004. We supply private-label cooler bags to outdoor brands, food delivery services, beverage companies, and e-commerce sellers across North America, Europe, and Australia — with AQL 2.5 quality assurance on every production run.
- ✓ Full customization — sizes (4L to 60L+), insulation thickness, fabric, lining, closure type, logo, packaging
- ✓ Complete range — soft cooler bags, hard-sided coolers, cooler backpacks, insulated tote bags, food delivery bags, wine coolers
- ✓ Insulation expertise — EPE foam, PEVA lining, closed-cell foam, multi-layer thermal construction, leak-proof welding
- ✓ AQL 2.5 inspection — every batch tested for insulation performance, seam integrity, zipper function, and leak resistance
- ✓ Factory-direct pricing — no reseller markup
Custom insulated cooler bags — soft coolers, backpack coolers, tote coolers, and delivery bags in your brand colors
What Is a Cooler Bag and Who Needs One?
A cooler bag (also called an insulated bag, thermal bag, cool bag, ice bag, or temperature-controlled bag) is a purpose-built portable container designed to keep food and beverages cold (or hot) for extended periods. Unlike traditional hard coolers that rely on thick rigid walls, modern cooler bags use multi-layer insulation systems including EPE foam cores, PEVA reflective linings, closed-cell foam panels, and leak-proof heat-welded construction. This makes them lightweight, portable, and versatile for outdoor activities, food delivery, picnic use, camping, beach outings, and retail product lines.
The global insulated cooler bag market has grown rapidly alongside increased demand for food delivery services, outdoor recreation, portable food storage, and sustainable alternatives to single-use coolers. Multi-layer insulation, leak-proof liners, and food-grade materials are the dominant trends. Brands that offer custom branded cooler bags with private labeling can capture margins of 3–5× above commodity pricing, especially in the outdoor lifestyle, food service, promotional products, and e-commerce segments.
Our Custom Cooler Bag Capabilities
| Feature | Options |
|---|---|
| Styles | Soft cooler bags, hard-sided cooler bags, cooler backpacks, insulated tote bags, food delivery bags, wine cooler bags, lunch cooler bags, picnic cooler bags, 12V electric cooler bags, foldable flat-pack coolers |
| Size range | 4L (lunch cooler) to 60L+ (party/event cooler) — custom dimensions available |
| Outer fabric | 600D polyester (standard), 1680D ballistic nylon (premium), 420D ripstop nylon (lightweight), non-woven PP (eco/budget), RPET recycled polyester (sustainable), PVC tarpaulin (heavy-duty) |
| Insulation | 5mm EPE foam (standard 8hr), 8mm EPE foam (12hr), 10mm closed-cell foam (24hr+), multi-layer EPE+PEVA+aluminum foil (maximum retention) |
| Inner lining | PEVA food-grade lining (leak-proof), aluminum foil lining (heat reflection), TPU-coated polyester (waterproof), PVC welded liner (fully sealed) |
| Closure systems | YKK waterproof zipper with storm flap, roll-top with buckle seal, magnetic closure, Velcro flap, drawstring with cord lock |
| Branding | Silkscreen, heat transfer, embroidered logo, woven labels, debossed rubber patches, custom zipper pulls, PVC logo tabs, full-color digital printing |
| Packaging | Custom poly bag, branded box, retail-ready packaging, Amazon FBA prep, shrink-wrap, hangtag, sleeve band |
Premium cooler bag construction — multi-layer insulation, PEVA food-grade lining, and leak-proof heat-welded seams
Soft Cooler Bag vs. Cooler Backpack vs. Insulated Tote vs. Food Delivery Bag
Different use cases require different cooler bag solutions. Here is how our four main cooler bag types compare:
| Feature | Soft Cooler Bag (6–40L) | Cooler Backpack (20–40L) | Insulated Tote (10–30L) | Food Delivery Bag (20–60L) |
|---|---|---|---|---|
| Primary use | Picnics, beach, camping, tailgating | Hiking, festivals, outdoor adventures | Grocery shopping, boat trips, parties | Restaurant delivery, catering, UberEats |
| Closure | Top zipper with storm flap | Top roll-top or zipper + lid | Open top with Velcro or zipper | Full-wrap zipper with wide opening |
| Insulation | 8mm EPE foam (12hr cold) | 10mm closed-cell foam (24hr) | 5mm EPE foam (8hr) | 10mm EPE + aluminum foil (24hr+) |
| Lining | PEVA leak-proof | PEVA leak-proof | PEVA or aluminum foil | PEVA food-grade + rigid board |
| Carry method | Handles + shoulder strap | Padded backpack straps + chest strap | Reinforced handles | Handles + shoulder strap + rigid base |
| Leak-proof | Yes — heat-welded seams | Yes — heat-welded seams | Yes — welded liner | Yes — fully sealed interior |
| Weight | 300–800g | 500–1000g | 200–500g | 600–1500g |
| Price point (FOB) | $4–$15 | $8–$22 | $3–$10 | $6–$18 |
| Market demand | Highest volume, year-round | Growing outdoor segment | Strong retail/grocery | Booming food delivery market |
Materials & Construction Quality
Our cooler bags are built for temperature performance — using premium insulation materials, food-grade linings, and durable outer fabrics:
- 600D Polyester Outer — water-resistant, durable, abrasion-resistant fabric; the industry standard for quality cooler bags with excellent print surface
- 1680D Ballistic Nylon — premium heavy-duty outer material with superior tear resistance; used for high-end cooler lines and commercial delivery bags
- EPE Foam Insulation — closed-cell polyethylene foam in 5mm, 8mm, and 10mm thickness; provides 8–24+ hours of cold retention depending on ambient temperature
- PEVA Food-Grade Lining — non-toxic, BPA-free, leak-proof interior lining that is easy to clean and resists odor absorption
- Aluminum Foil Layer — reflective insulation layer that bounces heat away; used in premium multi-layer constructions for maximum temperature retention
- Heat-Welded Seams — all interior seams are heat-welded or RF-sealed to prevent leaks; no needle holes in the lining zone
- YKK Zippers — #8 or #10 gauge waterproof zippers with storm flap covers for thermal seal; rated for 5,000+ open/close cycles
- Rigid Board Reinforcement — corrugated plastic or foam boards in base and walls maintain bag shape and add structural insulation
Quality Standard: AQL 2.5
Every production batch undergoes AQL 2.5 inspection — the international standard for consumer goods. We check insulation layer thickness, lining weld integrity, zipper function, fabric print accuracy, seam strength, temperature retention performance, and overall construction quality. Each bag is randomly sampled per batch for ice-retention testing (target: maintain below 4°C for rated hours at 30°C ambient). Defective units are pulled before shipment.
Custom cooler bags in action — keeping food and drinks perfectly chilled at outdoor events and picnics
Cooler Bag Styles We Produce
Soft Cooler Bags (6–40L)
The versatile standard — 600D polyester outer, 8mm EPE foam insulation, PEVA food-grade leak-proof lining, top zipper with storm flap, heat-welded interior seams, reinforced handles + detachable shoulder strap, and rigid base board. Available in 6L (lunch size), 12L (day trip), 24L (picnic), and 40L (party) sizes. Popular for outdoor lifestyle brands, promotional products companies, and e-commerce sellers on Amazon and Shopify.
Cooler Backpacks (20–40L)
Hands-free cooling — 1680D ballistic nylon outer, 10mm closed-cell foam insulation, PEVA leak-proof lining, top roll-top or zippered closure, padded ergonomic backpack straps with mesh ventilation, chest strap for load stability, exterior mesh pockets for dry storage, and interior rigid frame for shape retention. Popular for hiking gear brands, festival accessory lines, and adventure outfitters.
Insulated Tote Bags (10–30L)
Lightweight open-top cooling — 420D nylon or non-woven PP outer, 5mm EPE foam insulation, aluminum foil or PEVA lining, wide open top with Velcro or zipper closure, reinforced webbing handles, and fold-flat design for storage. Popular for grocery retail chains, promotional giveaways, eco-friendly brands, and farmers market vendors.
Food Delivery Bags (20–60L)
Commercial-grade thermal transport — 600D polyester or 1680D ballistic nylon outer, 10mm EPE + aluminum foil multi-layer insulation, PEVA food-grade welded lining, full-wrap zipper with wide-opening design, rigid corrugated board in base and all walls, reinforced handles + shoulder strap, and reflective safety strips. Popular for restaurant delivery services, UberEats/DoorDash fleet suppliers, catering companies, and meal kit delivery brands.
Wine & Bottle Cooler Bags (2–12 Bottle)
Premium temperature-controlled beverage transport — 600D polyester or neoprene outer, 5mm EPE foam insulation, PEVA lining with bottle dividers, top zipper or drawstring closure, padded carry handle or shoulder strap, and elegant matte black or custom color finishes. Popular for wineries, wine subscription services, corporate gift programs, and premium beverage brands.
How to Order Custom Cooler Bags
| Step | Action | Timeline |
|---|---|---|
| 1. Inquiry | Send us your specifications: size, insulation thickness, fabric, color, quantity, branding requirements | Day 1 |
| 2. Quote | We provide detailed pricing with material options, tooling costs, and lead time | 1–2 business days |
| 3. Sample | Pre-production sample with your logo and fabric choices for insulation testing and approval | 6–10 business days |
| 4. Production | Full production run with in-line insulation checks and temperature retention testing | 35–50 days depending on quantity |
| 5. Inspection | AQL 2.5 final inspection with temperature test report and photo report before shipment | 1–2 days |
| 6. Shipping | FOB Xiamen / CIF your port, or door-to-door via our logistics partners | 7–30 days depending on destination |
Our cooler bag production line — from insulation cutting to lining welding to AQL 2.5 temperature testing
Private Label & Branding Options
As a dedicated cooler bag manufacturer, we offer complete private label services:
- Logo application — silkscreen printing, heat transfer, embroidered patches, woven labels, debossed rubber tags, PVC logo tabs, full-color digital printing
- Custom color matching — Pantone color match for outer fabric, lining, zippers, straps, and branding elements
- Custom packaging — branded poly bags, retail boxes, sleeve bands, hangtags, gift-ready packaging, multi-unit sets
- Size labeling — printed or woven size labels with your brand info and capacity specifications
- Amazon FBA prep — poly bagging, FNSKU labeling, carton marking per Amazon requirements
600D polyester soft cooler bag, 24L capacity, 8mm EPE foam insulation, PEVA food-grade leak-proof lining, top zipper with storm flap, heat-welded interior seams, reinforced handles + detachable shoulder strap, rigid base board, Pantone color match, silkscreen logo (2 colors), woven brand label, individual poly bag packaging with hangtag, MOQ 500 pieces (assorted sizes available within same order).
Why Junyuan Bags for Your Cooler Bag Orders?
Since our founding in 2014 (with our founder’s experience dating back to 2004), we’ve become one of China’s most reliable cooler bag manufacturers. Here’s what sets us apart:
- Factory-direct pricing — no middleman markup; you deal directly with the production facility
- Low MOQ of 500 pieces — perfect for Amazon sellers testing new SKUs or brands expanding their product line
- Fast sampling — 6–10 day sample turnaround means you can move from concept to market quickly
- Full customization — from insulation thickness to lining material to packaging design, every detail is yours to specify
- Proven export experience — 200+ brands in 40+ countries trust us with their cooler bag production
- Quality guarantee — AQL 2.5 inspection on every batch; temperature-tested; defective rate below 0.5%
Ready to Start Your Custom Cooler Bag Order?
Email us at [email protected] or WhatsApp +86 17750020688 with your specifications. We’ll provide a detailed quote within 24 hours.
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