Jack Frost Hot & Cold Therapy Packs

When a sprain flares up or sore muscles need relief, the same pack can do double duty — chill it in the freezer for swelling and acute injuries, or warm it for stiff joints and cramps. That flexibility is exactly what makes Cardinal Health's Jack Frost hot/cold therapy packs a staple in clinics, athletic training rooms, and home first-aid kits alike.

The Cardinal Health Jack Frost Reusable Hot/Cold Pack, Medium (70304) is built for repeated use. Freeze it for cold compression therapy on bruises, insect bites, headaches, and post-injury inflammation, or heat it to ease muscle tension, menstrual cramps, and arthritis discomfort. The medium size suits most general-purpose applications, wrapping comfortably around a knee, shoulder, or lower back.

A common question buyers ask: how long does the pack stay cold or hot? Expect roughly 15–20 minutes of effective therapy per application — enough for a standard treatment session before the pack needs re-chilling or reheating. Always wrap the pack in a cloth barrier rather than applying it directly to skin, and limit sessions to protect against frostbite or burns. Because these packs are reusable, one unit can serve a household or treatment room for a long time, making them far more economical than single-use instant packs.

Reusable therapy packs are ideal for facilities managing everyday musculoskeletal complaints and for caregivers who want a dependable, no-fuss option ready in the freezer. If you're comparing options, our Polar Frost collection offers additional cold therapy solutions worth reviewing alongside the Jack Frost line to match your specific size and coverage needs.