•TEMP-Sensing Discolouration, for easy monitoring of milk temperature. Help parents to keep track of milk temp at any time. Purple is Cold (<36℃/96.8℉), blue is Optimum Feeding Temperature (36-40℃/96.8-104℉), and white is Hot (>40℃/104℉).
•Double strong sealing with double zipper and sealed side seams for safe freezing.
•Zero contamination design with separate import/export openings.
•Space-saving design for flat or upright storage.
•BPA/BPS-free and pre-sterilised for safe milk storage.