Thickness 3mm or 2MM

the width of the physical size (that is, the inner diameter) is 2cm less than the actual size. Please pay attention to the size when purchasing. We recommend that you buy a larger size.

The sewing edge is made by dissolving polyethylene at a high temperature of Hot Press to achieve stitching, thermal expansion and cold contraction error will be 1cm inner diameter, strong pull support is not recommended.

For cold preservation: with more than 2 ice pack, the cold storage time can be extended to 24-36 hours (note: food must be refrigerated first, and the cold preservation time is related to the surrounding temperature and usage method)

for heat preservation: The heat preservation time is generally 2-5 hours (according to the surrounding temperature, it is recommended to use stainless steel containers and wrap them with cloth, which can prolong the heat preservation time)

however, when storing high-temperature articles, please be sure to wrap them with cloth to avoid hot lining of high-temperature articles. It is also suitable for winter insulation

aluminum foil bag has five advantages: first, it saves a lot of plastic bags; Second, it is clean and sanitary. Thermal bag is waterproof and oil-proof. All materials are made of high-quality materials, and the wear resistance and wrinkle resistance are super strong; Third, the heat preservation effect is good. When the food is taken out, it is still steaming, and the ideal effect can be achieved from the color and taste of the food. In this way, the work and diet problems of office workers can be easily solved, and the chances of going out for a picnic can also be increased a lot; 4. The price of thermal bag itself is low, but it can be used for many times. It is generally available in the market. 5, it can be used for takeout in restaurants, and personalized slogans can also be printed on takeout to enhance popularity., Thermal bag is developing towards a more professional direction, which can bring more and more good services to people's lives.