The NUK Medium Flow Nipple is designed for babies 6-18 months old, featuring an anti-colic system and orthodontic shape. Made from high-quality silicone, this nipple provides a natural feeding experience while helping prevent colic and gas. Key features: • Medium flow rate suitable for 6-18 months • Anti-colic air system • Orthodontic nipple shape • Made from BPA-free silicone • Compatible with standard NUK bottles The nipple features NUK's unique orthodontic shape that mimics natural breastfeeding and supports proper oral development. The integrated anti-colic air system helps reduce the intake of air during feeding, which can help prevent colic, gas and spit-up. The medium flow rate is specifically designed for babies 6-18 months old as they develop their feeding skills.