Take the classic Avent bottles since the beginning. Parallel suitable for breastfeeding. So the three-hole sucker were the corollary to the two-hole suckers! Had between two bottles of Nuk. Tea suckers we used for milk (in parallel with the two-hole suction) With the milk from teat Nuk I felt my child drowns. Sure you have to try making your own child comes along best. I can only recommend Avent. The bottles of the series Klassik tightly (other series of Avent not tried). Someday, after three four months, unable to close the lid to one hundred percent. But for that the suction can nix. That's why here but five stars. In addition, you take after this time eh new because larger bottles. Since then you have new cover!