▪ This product does not need cold source, instant cooling, easy to carry and use.
▪There is no need for refrigeration or freezing and pre-cold treatment, in the wild, during travel, in the workplace, during high temperature operations and first aid sites, you only need to break the inner bag and cool quickly within 2 seconds; in summer, 100 grams maintain about 10 minutes, 160 grams, 15-20 minutes, about 280 grams, 25 minutes, especially suitable for sports damage, pulling, teeth and so on.