A pack with Super Absorbent Material (SAM) inside and without refrigerant fluid inside. A system for dispensing a cold pack including a filling unit for taking in a waterproof SAM pack with SAM inside and without refrigerant fluid inside and adding refrigerant fluid to an inside of the SAM pack, producing a refrigerant pack. Apparatus for producing a cold pack including a SAM source, a source of refrigerant fluid, a bag filler for filling a bag with a mixture of SAM and refrigerant fluid, producing a refrigerant pack, and a cooler for cooling the refrigerant pack, thereby producing a cold pack. Related apparatus and methods are also described.
