Avent newborn flow teats (n°1) meet the needs of babies at the beginning of their life until 1 month age.
The soft silicone teat with built-in Airflex valve reduces colics, and thus baby's irritability decreases.
Feeding is healthy and active.
You should use Avent teats on Avent bottles only.
Indication: Size 3 teats newborn flow - Baby's equipement.