Two Mason Bottle Silicone Nipples available in four flow sizes to grow with baby. Mason Bottle nipples are made from medical-grade silicone.
Advanced Anti-Colic Ventilation
The nipple uses a dual-valve ventilation system that mimics the human body. Milk flows smoothly to reduce gas and colic.
Mason Bottle Nipples come in four flow sizes:
Slow Flow (0-3 Months)
Medium Flow (3-6 Months)
Fast Flow (6+ Months)
Fastest Flow (6+ Months and Thicker Liquids)