BREEZE Eco-Friendly Reusable Hand Warmer An environmentally friendly product that can be used repeatedly. 【How to Use】 ① Press the metal plate inside to start generating heat. ② The warmth lasts for approximately 40 minutes. ※ Maximum temperature: approx. 55°C (131°F) ※ Be careful of low-temperature burns. ③ When it cools down, wrap it in a towel and place it in boiling water. Boil until it completely melts and returns to a liquid state. (Approx. 5-10 minutes) ※ Do not let the product directly touch the bottom of the pot. ※ Please have a guardian perform this task, as there is a risk of burns. ※ Do not use in a microwave, oven, or over direct heat. 【Precautions for Use】 ・ Do not use while sleeping. ・ This product is not edible. Keep out of reach of children. ・ The product may be damaged, and the contents may leak. Do not apply sharp objects or strong force. ・ If the contents get into your eyes, or if they get on your skin or clothes, immediately rinse with plenty of water. If swallowed, immediately rinse your mouth. If eye irritation, skin irritation, or a rash occurs, or if you feel unwell, consult a doctor.