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ULINE 3 oz. Cold Packs 5 x 2 3/4 x 3/4" 96/case
| Phase change materials are formulated refrigerant gel packs for products that require frozen temperatures, but cannot tolerate dry ice or CO2. Laminated metallized polyethylene film exterior acts as radiant heat barrier. Packs are resuable, as well as melt-, leak-, and puncture-proof. |
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