At www.cryolux.com.au we make these dry ice packs from best technology for better and longer cooling effect. These dry ice packs can be used to transport items like food or medicines that need to be stored in controlled temperature. Cryolux manufacture several types of icepacks available to suit different applications. The most common use of icepacks are cold transport of perishables and food produce. The Innovative Dry ice packs ,from Cryolux are easy to store and transport and can be activated and frozen on demand . Hence they are far superior than any of our regular gel packs.