... ,,sterilized with CE. Hot or cold thermotherapyWashableEco-friendly100%naturalCherry stone pillow for natural thermotherapy,hot or cold.Whether you need to ... cold, this comfortable u-shaped pillow for your neck is the solution. Microwave it for a warm session, or freeze it to ... problem area. For hot therapy,warm about 3 minutes in microwave and the heat-retaining cherry stones give out a long-lasting ...