Not exact matches
One last note, if you tighten the collar and
nipple too tightly onto the neck
of the
bottle, you are more likely to have the issue
of nipple collapse.
The liner
collapses inward as the milk empties out
of it as the baby sucks on the
bottle's
nipple.
The
nipple of this
bottle is soft to the touch and designed to prevent «
nipple collapse» and it is shaped to mimic a natural breast.
Made
of FDA - approved food - grade materials, this classic
bottle has been updated with Micro Air Vents to increase airflow and help prevent
nipple collapse.
Even though the glass
bottle is the preferred
bottle, there have been some complaints
of nipple collapse.