This convenient package contains 2x Polar Skin Ice Sheets and 1x Polar Skin C2E Ice Pack Bundle. These products are a highly effective and portable system that cools the body to prevent heat-related illness. When used according to directions, this combination has been scientifically proven to cool the core temperature by .09°F/minute in 100°F heat.Polar Skin Comprehensive Cooling System FeaturesScientifically proven to reduce core temperature by .09°F/minute in 100°F heat when used according to protocolAbsolutely portable; when prepared to 0°F and stored in a Polar Skin Cooler with ice, the system maintains an internal temperature of ≤32°F for 17.5 hours in >85°F ambient temperaturesExcellent thermal transmittance and moisture vapor transmission rateAdheres to current National Athletic Trainers’ Association and U.S. Army protocols for heat illness treatmentAllows for full access to the body while coolingKit contains: 2 x Polar Skin Ice Sheets™ (Triple Pack),1 x Polar Skin C2E Ice Pack™ Bundle