Equi-N-icE coolant recharges the Equi-N-icE bandage. Simply pour 3 oz. of coolant in to bandage container. The bandage will absorb the liquid and it is ready to go! Recommended for use only with the Equi-N-icE bandage. Lowers temperature up to 27??F and stays cold up to 3 hours.... (read more) Ready-to-us, no mixing or special preparation necessary. No need to refrigerate or freeze. Non-toxi, non-irritatin, no lingering odo, and safe to handle.