The NUK Perfect Match teats are ideal for your baby, thanks to their custom design. The teat is uniquely soft and flexible, resembling a mother's skin, gently adapting to your baby's lips and palate. The smooth conical shape facilitates proper grip: the mouth open with the lips embracing the teat. The innovative Anti-Colic valve helps prevent the swallowing of air, with 3 teat size options that regulate the flow of milk in the best way for your baby.