NaturalWave® Nipples - 2 count Medium Flow .

Promotes natural oral development and clinically proven to reduce nipple confusion Advanced airflow technology reduces colic, spit-up, and gas for comfy feeding Clinically proven to reduce nipple confusion for seamless breast-to-bottle transitions Made with 100% silicone designed for optimal compression. Made without BPA/BPS Change is hard. Make it easier for your little one with a nipple designed to help transition from breastfeeding to bottle feeding and back. Lansinoh's NaturalWave® nipple supports your baby by promoting the same natural feeding actions they learned while breastfeeding and is clinically proven to reduce nipple confusion. The nipple is made of soft, flexible silicone and has an air ventilation system to reduce intake air, a potential cause of colic or spit up. Dishwasher safe and made without BPA/BPS.