Stokke Flexi Bath is a foldable baby bath suitable from birth to four years. The space saving design makes it easy to store and convenient to use at home or when traveling, encouraging more shared bath time moments. The optional Stokke Flexi Bath Newborn Support provides additional comfort for newborn babies. Included is a heat sensitive drain plug.The plug works by turning colors, giving parents a visual cue, letting them know that the water temperature is getting warmer and needs to be checked. Please note that the plug is not a thermometer. Always double-check the water temperature with your hand to ensure that it is the right temperature for your baby s comfort and safety. If you are in any doubt, use a reliable thermometer for accuracy.