Both breast and formula milk will decrease in nutritional value if they re left for too long and will also lead to an increase in harmful bacteria Milk Monster is a timer which allows the parents or carers to see when the feed starts to deteriorate and therefore when it should be discarded Simple yet effective the timer can be attached to bottles of any size and has a multitude of features to ensure it is child friendly and baby proof The glow in the dark feature and the backlit screen allow parents to easily locate the bottle and read the timer in the dark and the splash proof dishwasher friendly design also means that Milk Monster can withstand anything baby throws Milk Monster can also prove to be an essential safety addition when there is more than one child such as multiple births or nurseries by attaching different character Milk Monsters to different bottles Features . Outer shell and band dishwasher friendly. Backlit screen for easy readbility at night. Glow in the dark elements to aid location in the dark. Universally fits any baby bottle to prevents giving unsafe and less nutritional milk to babies. Customisable timer so the safe consumption time of milk can be set according to type of milk childs vulnerability external temperature as well as other influencing factors Specifications . Color Green. Weight 0 37 lbs