Polar Care Packs Gel Wrap Hip with 4 Packs. The premium gel packs are vacuum packed, so the gel stays evenly distributed and pliable at standard freezer temperatures. These unique gel packs are specifically formulated to provide cold therapy for over 2 hours. Each wrap features elastic straps that provide static compression while holding the gel packs firmly in place. Kits come packaged in a drawstring patient bag with a body-part specific wrap. The Polar Care Pack line is an excellent addition to your motorized cold therapy protocol. UOM: 1/EA.