Both breast and formula milk can decrease in nutritional value if they’re left for too long – and have increasing levels of harmful bacteria over time. Keeping track of timing can be a challenge! Milk Monster can easily monitor the safe duration of baby’s milk. The glow-in-the-dark feature and backlit screen allow easy location of the bottle at night and easy reading of the safe time remaining, as well as splash-proof, dishwasher-friendly design for easy cleaning! For All Milk Glow in the dark Features Dishwasher friendly Unique Safety device Configurable by the adult Fun and appealing to the baby Essential when sleep deprived! Unique Safety device Configurable by the adult Fun and appealing to the baby Essential when sleep deprived!