... recovery 3. never get mold Neck wrap herbal heat pack for cold or heat use1. Various sizes are available, multipurpose application2. .it ... legs, upper back, or abdominal area. The drapes easily, assuring complete conformity to the treatment area. 4. moist heat increases circulation ... User manual:To heat: microwave it for 1 minute, if more heat is needed, heat for 10 seconds at an interval until desired ...