Use these cold packs for products requiring an accurate, consistent temperature. Cole-Parmer™ ThermoSafe™ Phase Soft Cold Packs are manufactured with laminated, metallized film exterior to resist punctures and provide a radiant heat barrier. Last fifteen percent longer than standard gel packs.

Refrigerate samples for shipping with these cold packs. Cole-Parmer™ JD Honigberg™ Ice-Pak Cold Packs freeze solid in 6 to 10 hours and remain at constant -6°C for up to 72 hours.

Exceptionally useful for burns, bruises, local pain-killing, sprains, swelling, cramps, pulled muscles, toothaches and more.