Product Introduction: The NUK Smooth Flow – Flow Control Nipple Size 2 2pk is the perfect solution for parents who want to provide their babies with a comfortable feeding experience. The nipple is designed to conform to the palate shape, providing greater comfort to your baby. The Anti-Colic Air Vent ensures that your baby doesn’t swallow air during feeding, reducing the risk of colic. Features: Soft Zoneâ„¢ conforms to palate shape, providing greater comfort Anti-Colic Air Vent reduces the risk of colic Feeding hole against palate allows mixing with baby’s saliva, aiding digestion Instructions: Before first use, clean the nipple in hot water and mild detergent. Rinse thoroughly. After each use, wash the nipple in hot water and mild detergent. Rinse thoroughly. Do not use abrasive cleaners or anti-bacterial agents. Inspect the nipple before each use and pull the nipple in all directions. Discard if there are any signs of cracks or tears. Replace the nipple after 2-3 months of use or if there are any signs of wear and tear. Ingredients: The NUK Smooth Flow – Flow Control Nipple Size 2 2pk is made of high-quality, BPA-free silicone, ensuring that your baby is safe from harmful chemicals.