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So, you decided that you would pack your lunch in something other than a brown bag. Having your cooler bag has many advantages, but how do you choose the best one? Let’s get started!

What Are Cooler Bags? 

Gone are the days of lugging around heavy cooler boxes so that you can spend a quiet afternoon at the beach, sipping a cold beverage. Cooler bags, made from materials such as nylon, polyester, nonwoven, polyethylene, polyurethane, styrofoam, etc., are used to insulate and retain the temperate of the food items it holds. It can be used to keep cold items, such as beverages, cold and hot food items, such as lunch, warm. 

Also called thermal bags, bulk cooler bags find a variety of applications across different industries. For instance, cooler bags are vital to transport perishable food items in the cold storage supply chain. Thermal pharmaceutical bags are used to transport medicines that need to be maintained at specific temperatures.

How Do Cooler Bags Work? 

Cooler bags are made of single or multiple layers of insulators that contain air bubbles to retain the temperature inside the bag. The outer bag is usually a strong but flexible material such as Nylon, while the interior of the bag is made of foil. A foam layer sandwiched between the outer and inner layers does the magic of temperature-retaining. This principle has helped us to move past heavy boxes and containers, and cooler bags are now part of daily life. 

Can you wash insulated cooler bags?

Yes, it is possible to wash insulated cooler bags. It’s best to wash them by hand, although some bags can be machine-washed. This can be checked in the instructions given by the cooler bag manufacturer. You can use lukewarm water to rinse the bag with mild detergent and pat it dry with a towel. Leave it aside to dry, preferably in a well-ventilated area. If your cooler bag is stinking due to a food spill, you can spray a mild bleach-water solution or make a water paste of baking soda. Continue the previous steps to wash and pat dry, and then leave it for air drying. 

What Is The Difference Between Insulated Bags & Cooler Bags?

Both insulated bags and cooler bags work to keep the temperature of the items it contains intact. Due to the name, there is a common misconception that cooler bags are suitable only for cold storage. This is not true, since the insulation principle works in both cases.

Can I Put Ice In A Cooler Bag?

Yes, it is possible to carry ice cubes in cooler bags. However, you need to purchase bulk cooler bags of reputed quality that won’t leak. Some bags with poor-quality zippers can let the water run down when the ice melts. Packing substantial quantities of ice will help it last longer. 

Can You Put Dry Ice In A Cooler Bag?

Dry ice, unlike regular ice, has an extremely low temperature of -109.3°F or -78.5°C, and must be handled with care since anything it comes into contact with freezes instantly. You must wear gloves or any protective gear while handling it. Some cooler bags can crack under the extremely cold temperate of dry ice. Thus, it’s best to add a few protective layers bundling the ice so that it’s not in direct contact with the bag or the air around it. Inhaling the fumes from dry ice is not good for your health as well.

How Long Does Food Stay Cold In An Insulated Bag?

Normal cooler bags can retain the temperature for 2-3 hours. However, if you opt for high-quality bags, these can last for around 6 hours.

How To Choose The Right Cooler Bag?

Whether you are looking for cooler bags in bulk or custom cooler bags, here we present you with the three most important details to help you choose the right solution. 


Good insulation is what keeps your lunch fresh, crisp, and ready for consumption for up to 6 hours. Most cooler bags come with multilayered insulation that keeps your food and drinks just at the right temperature, may it be warm or cold, thanks to a core layer made of dense foam. Usually, the thicker the foam, the better the insulation. RediBag thermal tote guarantees your meals will be cold/hot for up to 6 hours. 


Whether you are leaving for a hike or planning a picnic in the park, you should keep in mind the capacity of your cooler bag. 

Cooler backpacks might be a great option if you want something portable and light. However, a thermal tote has more capacity and usually comes with better insulation. RediBag Cordura nylon thermal bags come in 5 different sizes to help you choose the best solution for your next adventure. 


Remember that as you fill your cooler bag with food, beer cans and ice packs, you will be adding extra weight to it. Don’t forget to check out the weight of your cooler bag before buying one. 

Top 3 Cooler Bags Manufacturers in the USA:


With more than six decades of experience in the bag manufacturing industry, our diverse portfolio of packing materials & bags cater to deli bags, produce bags, industrial, can liners, we also have a dedicated line for cooler bags.

Our Cordura nylon thermal bags with a heavy-duty zipper will keep your food or beverages hot/cold for up to 6 hours. It also comes with a nylon carry handle, and you can customize any embroidery on your cooler bags.

Cooler bag specifications offered by RedibaUSA.

Our Best-selling cooler bags are

  • Getaway Thermal Bags
  • Hunter Thermal Bags

Getaway thermal bags are ideal for keeping your food fresh while on a picnic trip or a day at the beach. On the other hand, if you have set out for a hunting trip, the camouflaged Hunter thermal bags from RediBagUSA will prove to be super valuable. 

What makes our cooler bags the best in class?

  • 100% Leak Proof
  • Stays hot or cold for six hours
  • Multiple size and colors options
  • Custom Embroidery Available
  • Display Rack Available
  • Seasonal Print Available
Details, images, and features of cooler bags offered by RedibagUSA.

Contact us for more information about our offer and how we can satisfy your every packaging need! Get the best price from the top companies in the industry!


Swaggos is a young company born in 2016 in San Francisco (CA). They’ve been serving clients with domestic partners throughout the United States and global partners in Asia. They sell numerous kinds of promotional products, included cooler bags.

 Universal Promo Inc.

With 40 years of experience, Universal Promo Inc. produces and distributes several printing solutions, packaging solutions, and more (including cooler bags). Their headquarter is in Maple Grove (MN). 

Rely on our Experience

Contact us for more information about our offer and how we can satisfy your every packaging need! Get the best price from the top companies in the industry!

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