"The Dr.Brown's Level-3 Silicone Narrow Nipple (2-Pack) is designed for older infants who are ready for a faster flow. Here are its key features: - **Flow Rate**: Level-3 nipple provides a medium-fast flow, suitable for babies 6 months and older who can handle thicker liquids like formula or breast milk. - **Material**: Made from soft, durable silicone that is BPA-free, ensuring safety for your baby. - **Narrow Design**: Specifically designed for use with Dr.Brown's narrow bottles, promoting a natural latch and feeding experience. - **Compatibility**: Works seamlessly with all Dr. Brown’s narrow bottles, allowing for easy interchangeability. - **Easy to Clean**: Dishwasher-safe for convenient cleaning, ensuring hygiene for your little one. These nipples are an excellent choice for parents looking to provide a comfortable and effective feeding experience as their baby grows."