As a premier picnic cooler bag manufacturer, we do more than fulfill orders—we empower brands. From high-growth startups to established importers across the USA, UK, and Germany, we provide the manufacturing backbone for your thermal packaging needs. We build our partnerships on three pillars: Precision Quality: Rigorous standards for discerning global markets. Operational Velocity: Reliable lead times that keep your supply chain agile. Unwavering Trust: Transparent communication from the first sample to the final shipment. Partner with a manufacturer that cares as much about your brand as you do.





Picnic cooler bags are measured by liter capacity or can count. To help you plan your outing, we typically categorize them as follows:
20 Liters (approx. 24 cans): Ideal for a couple or a small family (2–3 people) for a half-day trip.
30 Liters (approx. 40 cans): The “Goldilocks” size for a family of four, providing ample room for containers, drinks, and ice packs.
50+ Liters: Best for large groups or full-day events.
We recommend choosing a size that you can fill to at least 75% capacity, as a full cooler retains temperature significantly better than one filled with “empty” air.
Yes, but construction matters. For picnic-sized loads, we reinforce our bags with:
Cross-Stitched Handles: The straps are stitched in a “box-X” pattern to prevent tearing under heavy loads.
Reinforced Bottoms: Many of our models feature a removable hard-base insert or a PE-coated waterproof bottom to prevent sagging and protect against damp grass.
Padded Shoulder Straps: To make the trek from the car to the picnic spot comfortable, we utilize high-density foam padding to distribute the weight across the shoulder.
“Soggy sandwich syndrome” is caused by condensation or melting ice. To prevent this, our bags often feature:
Dual-Compartment Design: A “dry” top compartment for bread and snacks, and a “wet/cold” bottom compartment for drinks and ice.
Internal Mesh Pockets: These are located on the underside of the lid, allowing you to place ice packs above the food so the cold air sinks without the packs physically touching your sandwiches.
Picnic bags are often exposed to UV rays and high ambient temperatures. While a standard bag lasts 6–8 hours, you can maximize performance through the $2:1$ Ratio: Use two parts ice/ice packs for every one part of food or drink.
Technical Tip: Our picnic series uses 8mm to 10mm EPE foam—nearly double the thickness of a standard lunch bag—specifically to combat the radiant heat found in open-park or beach environments.
Outdoor environments are messy. We address this with:
Oversized Zippers: We use rugged, self-repairing nylon coil zippers that are less likely to snag if a grain of sand gets caught.
Easy-Clean Exteriors: The outer shells are typically made from 600D Polyester or Oxford cloth with a water-resistant coating. This allows you to simply brush off dried mud or sand once the picnic is over. For deep cleaning, a simple wipe with a damp sponge is all that is required.
This is where it all begins. Tell us your idea, and we’ll help you ignite it.
we translate your vision into a tangible plan. This is where your custom bag truly takes shape.
What makes the bag uniquely yours. We offer precision branding techniques to make your mark.
Before we produce your full order, we ensure every detail is perfect.
With your approved prototype, our skilled craftsmen bring your bag to life.
The final step: getting your masterpiece into your hands.
Material 100% inspection, pre-production sample confirmation, production process 100% inspection, and 100% inspection before shipment.
We support your small business.The minimum order quantity of wholesale existing bags is 1 pcs , and 50 for more complex personalized bags.
We have 5 own sewing factories and bag fabrics factories, and have invested in international logistics companies to provide you with the ultimate experience from product prices to international shipping costs.
We have over 15 bag designers and sample makers with over 10 years of experience, we provide you with the ultimate experience in bag design and sample making.
We have abundant bag fabric and accessory resources to choose from, with rich printing techniques to turn your personalized design ideas into reality.
Our personalized responses to all inquiries, ensuring a seamless experience from design to delivery. Fast response within 1 hours, fast quotation within 3 hours. Contact us today.
Fast delivery in 1-15 days depending on quantity,helps you to take more share of the market.
We don’t have MOQ, we support your small business anytime!
We have large stock, 2 days for stock items,7-15days for production.
Yes, we could offer free samples for the items in stock.
30% TT in advance ,70% before delivery. 100% TT in advance if goods are in stock.
EXW/FOB/CIF/CFR/FCA/CPT/CIP/DAP/DDP
As a trusted custom cooler & Thermal bag manufacturing factory based in Dongguan, China. With over 20 years of experience, we specialize in OEM/ODM solutions for a wide range of cooler bags. We serve global B2B clients—brand owners, retailers, wholesalers, and eCommerce sellers—by offering low MOQs, free samples, fast sampling, and guaranteed quality. Start Your Custom Cooler Bag Project Today – Free Design & Sample Available!
Sales Manager: Lisa Chou
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