biolife makes biopreservation media products used to preserve biologic material such as cells, tissues, and organs once removed from the body. cold temperatures are utilized to reduce metabolism and the need for oxygen and nutrients. hypothermic refrigerated and frozen cryogenic temperatures can enable an extended outofbodycultureconditions time interval, but the exposure to cold temperatures itself can damage biologic materials. the evo smart shippers from savsu are passive, using cold packs that maintain a stable payload temperature.the evo smart shipper family includes versions that maintain payload temperature at near 80°c with dry ice, 2°c to 8°c, and crt controlled room temperature from 15°c to 25°c.