MAM's Original Start Newborn Pacifier, is ideal for babies 0-3 months of age. The pacifier nipple is symmetrical with a SkinSoft texture that mimics mom's breast during breastfeeding. Developed with dentists, the Original Start Pacifier is designed to soothe and comfort newborns, helping to satisfy their natural need to suck. The sterilizing storage case is helpful for parents to keep pacifiers clean and ready for baby to use. To sterilize, fill to the mark with 0.9 fl. oz. with water and put into the microwave for 3 minutes.