Material: Hydrogel Storage: Store in a cool dry place Applicable objects: children, adults 1. INFORMATION - The cooling gel patches are made of good quality mineral material and are comfortable for the skin. 2. COOLING PATCHES - It is used to reduce temperature, relieve migraine and headache, cool and prevent heatstroke, relieve fatigue, and refreshment. Directly attached to the forehead can cool the skin surface by 2-3C and last for 8 hours. 3. EASY TO USE PORTABLE - The cooling gel patch uses of an independent single package. The gel layer in the ice sticker contains a large number of water molecules, which can achieve rapid physical cooling effect by absorbing heat through vaporization and exchanging energy. The item is light and small, it is ready to use at anytime and anywhere. 4. COMFORTABLE - The cooling patch is a hydrophilic gel product that has good applicability to the skin and is refreshing in cooling. Cooling patches can be used on foreheads, necks, temples, or other areas that require cooling.