ASP7203 hot and cold gel pad For use as a cold compress: Store in the freezer for at least two hours, then place inside the belt or wrap in a cloth and use. For use as a hot compress: Boil water in a pot, then place the compress in the pot after removing it from the heat and leave it in the boiling water for 6 to 10 minutes. Then place it inside the belt or wrap it in a cloth and use it. - Do not place the compress directly on the skin; always wrap it in cotton cloth or leave it in the support belt provided before use. - Do not use a hot compress on wounds or bruises immediately after they occur. Keep the compress away from hot or sharp objects. Patch and Thermal Products