A cooler bag is designed to maintain the temperature of food and beverages during transportation or outdoor activities. With its multi-layer insulation and lightweight, durable materials, a cooler bag helps preserve freshness, minimize heat loss, and ensure food safety.

1. What is a Cooler bag?

A cooler bag is a specially designed insulated bag that helps keep food and beverages at the desired temperature for several hours. Featuring multi-layer insulation and lightweight yet durable materials, it is perfect for food delivery, picnics, and outdoor activities.

With the growing demand for fresh food delivery and chilled beverages, cooler bags have become a practical solution to maintain product freshness, minimize spoilage, and help businesses reduce logistics costs while enhancing customer satisfaction.

2. Cooler bags specifications

The details below make it easy to choose the right cooler bag for your needs. Every aspect can be customized to meet your specific requirements:

Material	PP woven fabric
Lamination	Matt BOPP
Construction	Piping
Printing	Gravure Printing
Usage	Gift bag, promotion bag, shopping bag
Customization	Size, color, handle style, fabric weight, logo printing, lamination
Productivity	10,000 products/day
Lead Time	7–15 days (production & delivery)
MOQ	1,000 pcs
Waterproof	Optional with BOPP lamination
Price	From 0.35–0.60 USD/piece
Certifications	ISO 9001, ISO 14001 (on request)

3. Structure & materials of Cooler bags

3.1. Outer layer

Made from polyester for durability, water resistance, and lightweight handling; nylon for extra strength and shape retention in outdoor use; or canvas for an eco-friendly, easy-to-clean, long-lasting option.

3.2. Inner layer

Commonly uses PEVA, which is food-safe, leakproof, and easy to wipe clean. Aluminum foil is another option, offering excellent heat reflection, longer temperature retention, moisture protection, and minimal added weight.

3.3. Insulation layer

Can include closed-cell foam for superior insulation and water resistance, open-cell foam for flexibility and affordability, or EPE pearl cotton which provides insulation, moisture protection, and extra cushioning for the contents.

4. Types of Cooler bags

There are many ways to categorize cooler bags, but the two classifications below are the most common and make it easier to choose the right type for your needs:

4.1. By size & capacity

• Lunch bags (6–12 cans): 5–10L capacity, compact and easy to carry, perfect for personal lunches or snacks. Price range: $25–50.
• Medium Coolers (12–20 cans): 15–25L capacity, ideal for family picnics or work meetings, a good balance between size and storage. Price range: $30–80.
• Large Coolers (36+ cans): 30L+ capacity with multiple compartments, great for camping, events, and catering. Price range: $60–150.

4.2. By design

• Soft Cooler bags: Lightweight and foldable, can keep contents cool for around 14 hours. Affordable and portable, though cooling time is shorter.
• Hard Cooler boxes: Made with high-density polyurethane insulation, can keep items cold for 5–7 days. Extremely durable but heavier and more expensive.
• Backpack Coolers: Hands-free design, 20–30 can capacity, perfect for hiking and outdoor sports.

5. Practical applications of Cooler bags

5.1. Food & beverage industry

Cooler bags are widely used in food delivery services and catering. They help maintain proper food temperature, comply with food safety standards, and serve as an effective marketing tool when branded with a company logo. For catering and large events, their large capacity and multi-compartment design make food transport more organized and professional.

5.2. Retail sector

In grocery and supermarket delivery, cooler bags keep vegetables, meat, and seafood fresh until they reach the customer, improving satisfaction. They are also an eco-friendly alternative to disposable plastic bags.

In the pharmaceutical industry, cooler bags are used to transport temperature-sensitive medicines, ensure cold chain compliance, and allow for full traceability.

5.3. Outdoor & recreation

Cooler bags are ideal companions for camping, hiking, picnics, and beach trips. They are lightweight, portable, and durable enough to withstand outdoor conditions while keeping items cold for multi-day trips. Many models also offer multiple compartments for better organization and are easy to clean after use.

6. Business benefits of Cooler bags

6.1. For F&B businesses

Cooler bags play a crucial role in enhancing the customer experience. Food arrives at the right temperature and retains its original taste, building trust and satisfaction. Professionally branded bags turn every delivery into a marketing opportunity, increasing brand visibility and leaving a lasting impression.

From a cost perspective, cooler bags help reduce spoilage and waste caused by temperature fluctuations, saving on ingredients and labor costs for complaint handling. Because they are reusable, they minimize the need for single-use packaging and provide a better long-term ROI for both logistics operations and promotional campaigns.

6.2. For the retail sector

In retail, cooler bags create a clear competitive advantage. Retailers can position their service as premium, differentiate from competitors, and justify higher prices. Delivering fresh, high-quality products helps build trust and strengthen customer loyalty, encouraging repeat purchases.

Operationally, cooler bags standardize the packing process, reduce order handling time, and lower the risk of product returns or quality complaints. This not only cuts costs but also improves the efficiency of the entire supply chain.

7. Key considerations when buying Cooler bags in bulk

When purchasing cooler bags in bulk, it’s essential to consider more than just the price. The right choice will protect product quality, optimize logistics costs, and strengthen your brand image. Below are five key factors to look for before placing a large order:

7.1. Insulation Performance

Choose bags with a thick insulation layer (at least 5mm) combined with a reflective liner such as aluminum foil or food-grade PEVA. This ensures long-lasting temperature retention so food stays fresh and safe — especially important for long-distance deliveries and catering events.

7. 2. Material & durability

Opt for polyester, nylon, or canvas bags that are water-resistant and built to last. Reinforced stitching and high-quality zippers prevent tearing and extend the bag’s lifespan, helping you save on replacement costs.

7.3. Safety & quality standards

Look for products certified for food safety (e.g., FDA approval) and tested for insulation efficiency and leak prevention. This ensures product integrity and gives peace of mind when scaling up deliveries or exporting to strict markets.

7.4. Customization & branding

Suppliers that offer logo printing, embroidery, or custom packaging turn every delivery into a branding opportunity, helping boost brand visibility and marketing ROI.

7.5. Sample testing before bulk orders

Always request a sample to assess real-world performance, durability, and thermal retention before placing large orders. This minimizes risks, reduces complaints, and ensures you get exactly what you expect.

8. Why Choose K-Packing for Cooler bags?

K-Packing is a trusted manufacturer in Vietnam, delivering high-quality cooler bags that combine excellent insulation, durability, and customizable design — ideal for food delivery, retail, and outdoor use.

• Superior Insulation: Multi-layer design with foam and PEVA/aluminum lining keeps items cold or hot for hours.
• Customizable for Your Brand: Choose size, color, material, handle style, and logo printing to match your branding needs.
• Certified Quality: Produced in ISO 9001:2015 & ISO 14001:2015 certified facilities, safe for food contact and meeting global standards.
• Cost-Effective: Direct factory supply helps you save 10–15% on bulk orders.
• Fast Production & Delivery: 7–15 day lead time and reliable worldwide shipping.
• B2B Support: From quotation and sample testing to production and delivery, ensuring a smooth and worry-free process.

Request a Quote Today
📧 Email: info@k-packings.com
📞 Hotline: (+84) 855 555 751

Address:

• USA: 7319n. Loop 1604 e, San Antonio TX 78233, United States.
• ANGOLA: Av. Pedro de Castro Van-Dúnem Loy, Luanda, Angola.
• VIETNAM: 169 Nguyen Ngoc Vu Street, Cau Giay District, Hanoi.