NUK bottles feature improved Perfect Fit nipple, which is the
same shape as Mom's nursing nipple for the Perfect Fit in baby's
mouth, just like Mom, so you know that your baby will love these
1-piece NUK Anti-Colic Air System is built into the nipple to
help reduce colic, gas and spit-up. Plus no extra parts to
The Perfect Fit silicone nipples are available in 2 nipple
sizes and 3 flow rates. Size 1 is ideal for babies 0 to 6 months
and offered in a slow and medium flow. Size 2 is a larger nipple
for babies 6+ months and offered in a fast flow
BPA Free. Dishwasher Safe. Leak-proof nipple sealing hood. For
best results when feeding, make sure that the NUK Anti-Colic Air
System symbol is under baby’s nose so that the unique drinking hole
on top side is positioned correctly
The Perfect Fit silicone nipple features Soft Zone that
provides greater comfort for your baby as soft satiny finish
conforms to baby’s palate
Latching on: The lips open outawrd and latch on to the areola.
Peristaltic tongue movement (sucking): "Wave-like" tongue
movement squeezes the nipple and extracts milk.
Swallowing: The back of the tongue rises, channeling the milk
into the esophagus.