... for arc shape, smooth appearance fashion, suitable for baby food. Temperature change color part of the initial color is red, when the ... the color will be from red to colorless, when the temperature dropped to 38 °C below, products will be restored to ... color, and can be repeated use. Specification Temperature range: 338 °C ~ 43 °C Working temperature: 0 °C ~ 100 °C Baby change color temperature spoon