Irisana Himalayan salt and lavender pillow is designed to relax with the combination of hot or cold and Himalayan salt and a pleasant lavender aroma. Reusable and recyclable. The Irisana Himalayan Salt and Lavender Pillow is indicated to relax the face, head, back, shoulders, legs, spine... It is recommended to place on the turntable of the microwave. The first time and as a reference, heat for periods of 30 seconds until the desired temperature is reached. Total time should not exceed 2 minutes. For cold use: Place in a zip-lock bag, inside the freezer until the desired temperature is reached. Do not immerse in water. Remove the inner bag and wash only the cover by hand. Do not iron. Do not use a dryer. Heat in microwave. Check the temperature before application. Do not use more than 20 minutes in a row and allow 20 minutes to elapse before the next application. Let cool completely before reheating. Do not boil. In case of appreciating discomfort, discontinue use. If discomfort persists, see your doctor. Not suitable for people with conditions or special skin sensitivity. Not suitable for sleeping. Store in a dry and ventilated place. It can also be kept in the freezer, inside a hermetically sealed bag.