Dolicare Skin thermal pillow muscle pain medium format is a heat pad with gel microbeads that allows pain treatment by cold or heat, improving discomfort and reducing possible daily aches and pains. Through heat, it relieves muscle pain, various rheumatological pains, joint stiffness and pain during warm-up activities. When cold, it relieves sprains, bruises, inflammatory pain, muscle spasms and toothache. Dimensions: 11 x 27 cm. Remove the pillow from the plastic packaging before heating or cooling. Cold: Place the heat pack in the freezer or refrigerator for at least two hours before use. Hot: Heat in the microwave using the temperature and heating time below. -Recommended warm-up time700W15 sec (+ 05 sec )1000W10 sec (+ 05 sec )Before using the heat pad, you should check that it is at the right temperature. It can also be kneaded to evenly distribute the temperature.