⑴ Cold storage bag with high cooling capacity, its cold source release evenly and slowly (the release rate is 3-5 times slower than ice), has the characteristics of good cold protection aging.
⑵ cold bag without water stain pollution. Because ice in the release of cold will produce water stains, easy to make the goods damp and affect the quality, so cold preservation bags in the refrigerated transport (especially air cargo) is widely used.
⑶ Cold bag can be reused and cost-saving.
⑷ Cold bag is the content of non-toxic, tasteless (but not edible) environmentally friendly products.