Now you can make a warm formula bottle instantly. With the Baby Brezza Instant Warmer, you can dispense warm water 24/7 so you never have to wait 3-5 minutes for a traditional bottle warmer. Just dispense warm water, add formula, mix and you’re feeding your baby in seconds. Choose from one of 3 temperature settings which the Instant Warmer maintains all day and night. The water tank is airtight and holds 50 oz – enough for a day’s worth of formula.