Buy these perfect Pigeon stretchable “Y” peristaltic nipples/teats for your baby’s feeding bottles. These teats are made of soft silicone and are totally PVC and BPA free. These nipples are stretchy and very soft, providing your baby a very natural-like feel. Pack contains 2 stretchy nipples. Size: Y (variable flow), suitable for kids of age between 2 to 3 months.