Slot a little like a mother's breast feedingSuitable for infant oral cavitySystem prevents air leakage to prevent unrest and a sense of abdominal colic in childrenDo not leak milk, even if a developing child did not drink milkPrevent food spills them on the ground to keep your baby clean place slow the flow of foodIt supports a smooth transition from breast to breast-feedingDo not affect the health of the teethEasy to clean and resistant to heat can be sterilized with hot water before useSuitable for use for children novice birth to the age of 6 monthsIt consists of two pieces