Key head plastic bag: Silicone Temperature: 80 Spoon handle: ABS (RESIN) Temperature: 80 [Features]: This product is imported from Japan, a special temperature-sensitive material, suitable for baby food temperature should be between 38-40 , temperature change spoon Terrier helps you measure the temperature of the food, to solve the food temperature when your baby is not good grasp of problems . Purpose: Designed for feeding infants and young children This is a fork and spoon, and can change according to the baby's growth stage Oh! Circle in front of a light that is soft head, face turns white when the temperature reached 40 , when the temperature dropped to below 38 after cooling restore the original color, and can be reused many times. Give the baby with easy to do it! Specifications: temperature range: 38 -40 Operating temperature: 0 -100 Tips: 1 tablespoon head edge using plasticity elastomer, soft and flexible, safer use. 2 tablespoons head elastomer-containing material temperature change, when the food temperature exceeds 40 , the elastic experience automatically becomes white, suggesting that the food is too hot, not feeding, it is very safe and convenient to use. 3, the use of toxic materials, tasteless, and the temperature to 100 . 4. Clean the front using a clean sterilized and placed in boiling water for 1-2 minutes. Use found during fracture phenomena, please replace the new products. Cleaning is recommended immediately after each use to prevent staining spoon headWENDYWU