Do not use boiling water, even hot tap water can scald.Holding the hot-water bottle by its neck, fill carefully to a maximum of 2/3 to prevent any water from splashing back. Gently squeeze the bottle until water appears at the neck insert the stopper and tighten. Check that it is sealed. Avoid contact with hot surfaces, oil, grease and direct sunlight pointed and sharp objects. Do not allow anything to rest on the bottle. After use, empty the hot-water bottle completely and keep in a cool, dry and dark place. Uses: For relaxation and a feeling of wellbeing. Also effectively relieves pain when heat therapy is recommended, such as peristalsis and circulation problems, relaxation of muscle cramps, and relaxation of menstrual cramps. Not to be used for: Feverish conditions, inflammations etc. In case of doubt consult your doctor or pharmacist. Warning: Do not heat in a microwave or in a conventional oven. Hot water bottles may lead to burns, therefore avoid prolonged contact with the skin. Do not use with any added substances such as cooking salt, essential oils etc. If children use the hot water bottle, adult supervision is recommended. Check the hot water bottle and closure regularly for wear and damage. We recommend replacement after five years. Please retain the instructions for further use. The fashy hot-water bottle is to be used only for its intended purpose.