The Minacool Pack Insulated Bag is a handheld-type packaging tool with excellent cold retention, allowing you to carry cold items while maintaining its temperature. Comes in a variety of specifications and sizes, so it can be used for a variety of uses, and is airtight. Excellent cold retention. [Features] Perfect for keeping hot or transporting items that you want to suppress sudden changes in temperature such as fresh fish, meat and frozen foods. The material is moisture resistant, heat insulated, and cold (heat insulation), so it has an air tight seal and excellent cold retention. ● Easy to seal with adhesive seal, zip, and zipper. Helps prevent contents from popping out and is shatterproof. Safe to carry fresh treats and lunches that are concerned about deformation or siding. Durable construction and can be reused. Environmentally friendly and energy-saving product. Care Instructions: Keep away from fire or high temperature items (heat resistant temperature: approx. 154°F (70°C)). The bag may deform, break. Does not shake or fall off while holding frozen hard or sharp objects. Also a bag. may tear, so please be careful not to overload. ■ If you put heavy items, the handle or handle may be damaged.