Polar Skin Ice Sheets are the principle cooling component of the Polar Skin Cooling System. Constructed from Polar Skin Mini-Mesh, Polar Skin Ice Sheets come saturated in ArcticAqua and react to an elevated body temperature to promote evaporative cooling. The 36 in. x 30 in. Polar Skin Ice Sheets are available in Single, Double & Triple Packs securely sealed in a rugged, durable foil pouch that prevents air or moisture transfer.