This baby bottle warmer and cooler from The First Years is a must-have for any parent. It's designed to keep your baby's milk warm or cool, depending on their preference. The unit is pre-owned, but it's still in great condition, clean, complete, and function perfectly. The cooler feature is especially useful for keeping milk or formula fresh during the night. The unit quantity is one, and it comes with the Night & Day feature, making it convenient to use at any time. This bottle warmer and cooler is perfect for parents who are always on-the-go and need a reliable way to keep their baby's milk at the right temperature.