Hot-Cold Gel Description: Practical reusable gel cushion suitable for heating (hot water and microwave) or cooling (freezer) for non-drug pain relief. With a handy cloth pocket for application. Directions for use: - Cold: Place in the freezer for at least 1.5-2 hours. Remove, place the sachet in the appropriate cloth pocket and apply to the affected area. - Hot: Immerse in boiling water for up to 5 minutes. Remove, dry, place the sachet in the appropriate cloth pocket and apply to the affected area