It is a dual-use gel compress that can be used both cold and hot. It is the recommended solution for those who prefer a natural therapy without drugs. How to use: Instructions for cold therapy - Cold therapy is used for both acute and chronic conditions, such as musculoskeletal conditions. It helps reduce swelling, inflammation and pain. Cold therapy is a natural remedy for headaches and migraines, bumps and bruises, muscle strains, torn ligaments, nosebleeds, toothaches. Warm Therapy Instructions - Warm therapy is recommended for pain relief and to reduce muscle spasms. It is indicated in lumbago and back pain, menstrual pain, headache caused by strain, deleted, poor circulation, muscle numbness. To heat, boil enough water to cover the compress. Take the water off the heat and put the compress in the water for 4-5 min. Precautions: Use the product carefully so as not to cause tissue or nerve damage, especially in patients with diminished sense of touch. Do not use hot or cold compress when suffering from diseases in which such treatments are contraindicated. Do not use the product if it is damaged, always use protective hua. Do not overheat the compress, do not use a conventional or microwave oven to heat it. Do not continue using the product, be it hot or cold, when it causes discomfort. Dimensions: 11 cm x 12 cm Presentation: 1 compress with cover