FOLDABLE COOLER BAG The Foldable Cooler Bag is a kind of bag with constant temperature effect, which can keep cold/heat (with the effect of warming in winter and cooling in summer). The insulation layer of the Foldable Cooler Bag is ultra-thick insulation cotton, which provides good thermal......
https://www.filmzt.com/packaging-bag/foldable-cooler-bag.html