The Science of Insulation: ACOOLERBAG’s Breakthroughs

Guangzhou, a city pulsating with innovation and commerce, ACOOLERBAG stands as a testament to the art and science of thermal insulation. Since our inception in 2013, we have been at the forefront of the thermal handbag industry, pioneering products that cater to a diverse range of needs—from food thermal bags to insulated lunch bags and cooler bags. Our journey is not just about creating products but about revolutionizing the way we preserve our food’s temperature and freshness.

The Mastery Behind Insulated Lunch Bags and Cooler Bags

ACOOLERBAG’s insulated lunch bags are more than just a means of carrying your meals; they are engineered to be a portable haven for your food. We understand that the right temperature is crucial, whether it’s keeping your sushi cold or your soup hot. Our cooler bags are designed with cutting-edge materials that lock in the desired temperature, defying the external climate conditions.

A Tale of Innovation: The Insulated Soft Lunch Bag Cooler

Imagine Sarah, a nutritionist from Sydney, who sought a solution to keep her meals fresh for her long days at the clinic. She needed an insulated lunch cooler bag that could withstand the Australian heat. ACOOLERBAG customized a series of insulated soft lunch bag coolers that not only matched her professional style but also kept her homemade meals cold for over 12 hours. This innovation solved her problem of finding healthy meals on the go, allowing her to maintain her dietary habits without compromise.

Beyond Keeping Cold: The MIER Soft Cooler Bag

But our expertise doesn’t end with keeping things cold. We also cater to those needing to keep their food warm. Take the case of Carlos, a food delivery driver in Madrid, who was struggling to deliver warm meals in a timely fashion. Our solution? The MIER soft cooler bag, a small insulated lunch box bag that doubles as a warmer. This bag became an essential part of his delivery kit, ensuring that every dish he delivered maintained its just-cooked warmth and flavor.

The Science of Keeping Food Cold: How Long Do Insulated Lunch Bags Last?

One of the most common questions we encounter is, “How long do insulated lunch bags keep food cold?” The answer lies in our rigorous testing and continuous improvement of thermal insulation technology. Our bags are designed to keep food cold for several hours, with some of our premium models extending that time significantly.

Safety and Usage: Are Insulated Lunch Bags Safe and How to Use Them?

Safety is paramount at ACOOLERBAG. Our insulated lunch cooler bags for adults are crafted with non-toxic materials, ensuring that they are safe for everyday use. And using them is a breeze—simply pack your food, and the insulation will take care of the rest, maintaining the temperature for hours.


With over ten years of experience and a robust manufacturing base in Yangchun City, our BSCI and ISO9001 certifications are a testament to our commitment to quality. Our workforce of over 400 employees across three production buildings ensures that every insulated lunch bag and cooler bag we produce stands up to our rigorous standards.


ACOOLERBAG’s breakthroughs in the science of insulation have not only set new industry standards but have also enriched the lives of our customers. Our insulated lunch bags and cooler bags are more than just products; they are a lifestyle choice for those who value quality, reliability, and the joy of a meal kept at the perfect temperature. Join us on this journey of innovation and experience the difference with ACOOLERBAG.

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