The correct size depends on your baby’s suction power and the type of food you use.
Your baby should be able to finish a bottle of food in about 15-20 minutes. If this is the case, you’re probably using the correct size.
Size Mini: Can be used immediately from birth (0 months). Suitable for thin food, like breast milk or formula milk.
Size Slow: Can be used from about 3 months. Suitable for thin and thickened food, like milk thickened with carob bean gum, flour or rice porridge.
Size Medium: Can be used from about 6 months. Suitable for thin and thickened food, like milk thickened with carob bean gum, flour or rice porridge.
Size Fast: For coarse cereal porridge, can be used from about 9 months.