Nuby RapidCool Portable Baby Bottle Maker - Formula Feed in 2 Minutes | Ideal for Travel Bottles and Night Feeds | Includes Milk Powder Dispenser and Digital Lid | No Filter Needed (White)Product Description How do I clean and sterilise the RapidCool lid? The digital lid should be cleaned in warm, soapy water. After cleaning, the lid should be sterilised by UV sterilisation or cold water sterilisation. You can also sterilise the RapidCool digital lid when out and about using hot water from your insulated flask. The RapidCool lid must glow Nuby red when attached to the flask to indicate the water is at the correct temperature. Keep the