Heat is conducted from the inside of the love dolls to the outside, and a temperature control probe is installed inside, so it cannot directly warm the hands, tendons, and feet. (Note: This product will not affect the service life or damage the product within 60℃. Please wrap the real doll with a blanket when heating, which will help to heat quickly. It can be kept for 5-6 hours after heating. Special attention: When heating, please Keep the doll flat (lying flat with arms and legs straight)