Because to the large breast shaped nipple, it's easy to latch on.
Unique petals for a nipple that is soft and flexible without collapsing
Innovative dual valve anti-colic system with advanced anti-colic technology
Nipple that is BPA-free
Philips Avent Natural feeding bottle compatible
Holes: 1 hole; Flow speed: Newborn folw 0 month + is the suggested minimum age.