The size 0 Nanno MAM Pacifier is the perfect fit for the smallest newborns up to 10 lbs. The contoured shield is gentle on baby's skin, Soft, silky silicone nipple is symmetrical-shaped to ensure that the pacifier is always in the correct position,with air vents that help prevent chapped or irritated skin. no matter what way it is put in baby's mouth. suitable for premature babies and newborns between 0 and 2 months. Sweet sayings and newborn pastels make up this collection.