<b>NUK Advanced Replacement Nipple:</b> <ul> <li>Fast flow</li> <li>Drinking hole specially located on the top side of the nipple versus the tip on round bottle nipples-- promotes better, easier digestion</li> <li>Vented with precision to prevent vacuum build up</li> <li>Soft, satin-like finish conforms to palate shape and provides greater comfort</li> <li>Mimics shape of mom's breast to promote proper latch and support breastfeeding</li> <li>Feeding hole rests against baby's palate to allow mixing with baby's saliva, a natural digestion aide</li> <li>Scoop nipple cavity allows space for baby's tongue and jaw to move naturally as with breastfeeding</li> </ul>