The BIBS Baby Bottle Nipple Round Silicone 2 Pack Fast Flow features two high-quality, round-shaped silicone nipples, specifically designed for BIBS baby bottles. With a fast flow design, these nipples are perfect for babies aged 6 months and older or those who are accustomed to a quicker milk flow. The fast flow ensures a steady and consistent delivery of milk, supporting babies with a faster feeding pace.