This is a warm eye massager using natural adzuki beans. It can be used for approximately 10 minutes at about 40°C. - Product Name: Azuki no Chikara (The Power of Adzuki Beans) - Application: For the eyes - Temperature: Approximately 40°C - Usage Time: Approximately 10 minutes - Heating Method: Heat in a microwave Thank you for viewing. Please check the images as the description may be incorrect. Due to shipping costs, we will remove the product from its box and ship it disassembled. Please be aware of this. We will ship with simple packaging.