MAM Slow Flow 0 + Months Bottle Nipples Level 1 (Lot of 3) The MAM Slow Flow 0+ Months Bottle Nipples Level 1 are designed for newborns and older infants. These soft nipple, flat top nipples are made of silicone and have a slow flow rate, making them suitable for young babies who are just starting out with bottle feeding. The lot includes 3 units, providing a supply for several weeks of feeding. With the trusted MAM brand name, these bottle nipples offer a safe and comfortable option for feeding your baby.