Designed by feeding experts at the world’s 1 bottle maker and backed by over 50 years of research, these soft, flexible 100% silicone nipples have a wide, textured base and gentle slope to help babies latch and control the flow of milk. Advanced airflow technology minimizes gas and colic, while the design promotes healthy oral development for your little one. Clinically proven to reduce nipple confusion for breastfed babies, they support a smoother transition between breast and bottle. With three flow levels, from slow to fast, these baby bottle nipples adapt perfectly to your little one’s growing feeding needs. Voted 2024 Best Baby Bottle by Wirecutter, Lansinoh NaturalWave® Nipples are engineered for a universal fit on all Lansinoh bottles, so you can focus on what matters most.