I was long looking for a reasonable way my isulin at work or while fishing to keep you cool. then the decisive tip. ordered pocket and tried the same. 10 minutes down into the water and marveled mightily. at normal room temperature that remains refrigerated insulin at least 1 week ausreichent. Water can be found almost everywhere. therefore This bag is highly recommended for campers, hikers, etc. I am absolutely begeister definitely and may my insulin problems even in summer rumtragen with me.