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                                                                         Thickness is 3 mm or 2 mm

The width of the actual size (i.e., the inner diameter) is 2 centimeters smaller than the actual dimension for heat sealing. Please note the size recommendations when purchasing, and it is advisable to buy a larger size.

The edge stitching is achieved through high-temperature pressing and melting of polyethylene.The thermal expansion and contraction error occurs within a inner diameter of 1 cmIt is not recommended to apply strong tension.

For cooling: Use with 2 or more ice packs; the refrigeration time can be extended to 24–36 hours (Note: Food must be refrigerated first; the cooling time depends on the surrounding temperature and usage method)

For heat preservation: The heat retention time is generally 2–5 hours (it depends on the surrounding temperature). It is recommended to use stainless steel containers and wrap them with cloth to extend the heat retention time.

When storing items that are exposed to high temperatures, please ensure they are wrapped in cloth to prevent the heat from damaging the interior. It is also suitable for winter insulation needs. 

Note: Due to the buyer's error in selecting the wrong size, if a return or exchange is required, both return and shipping costs must be borne by the buyer, and we are not responsible for these fees..

Tax will be added separately for invoicing; please consult customer service for details!

Aluminum foil bags have five major advantages: First, they save a large amount of plastic bags; Second, they are clean and hygienic. The insulated bag itself is waterproof and oil-resistant, with all materials being high-quality and featuring excellent wear resistance and wrinkle resistance; Third, they provide good heat preservation, ensuring food remains hot when taken out, achieving ideal results in both color and taste. This makes the issue of eating and working for office workers easier to solve, and also increases opportunities for outdoor picnics; Fourth, the insulated bag is inexpensive and can be used multiple times, available at most markets; Fifth, it can be used for restaurant takeout services, and the development of insulated bags is moving towards greater professionalism, bringing better experiences to people's lives.