Designed for newborns and younger babies, these silicone nipples feature a narrow neck design that fits standard bottle sizes. The soft, flexible silicone mimics natural breastfeeding to support easy transitioning. Gentle flow rate ideal for infants aged 0 months and up. Pack includes 2 nipples for convenient replacement and backup. Durable, BPA-free silicone withstands regular sterilization and washing. Compatible with most narrow-neck bottles.