Size: 12.6 CM x 2.3 CM Suitable for Children above 4 Months PP and BPA Free When Food Or Water Temperature is above 45 Degree Spoon Color will change to indicate food temperature is not suitable for kids FDA Approved Soft Edges Color Change when Temperature is above 45 Degree Baby changing spoon is designed to detect the hotness and coldness of baby food during eating to avoid harming baby’s mouth during feeding.