Here's an alternative to the classic hot water bottle. Reheated in the oven or microwave, perfectly dried cherry pits will gradually release the stored heat to different parts of the body to reduce tension. To refresh them, simply put them in the freezer or refrigerator. For a pleasant heat. Warmth is recommended for: stomach ache, intestinal laziness, chronic bronchitis, chronic or rheumatic disorders, myalgia and muscle contractures, neck contraction and back pain. Coldness is recommended for: headache, migraine, contusion, sprain, chronic or rheumatic disorders, sting, problems with blood circulation and circulatory, lumbago, sciatica, arthritis and ankylosis. 16 x 16 cm Material: cherry pits, cotton