Insulated cooler bag
A cooler bag is a type of thermal insulated container in the form of a bag which can be carried, usually made of thermal insulating materials: EPE foam padding inside and aluminum foil or PEVA lining. It is used to help maintain the temperature of its contents, keeping cold items cold, and hot items hot.
The styles of cooler bags are varied.Its outer material can be different kinds of fabrics:
Insulated cooler bags have been in use for many years in industry, medical/pharmaceutical use, food delivery, lunch bags, etc.