Lifefactory Replacement Nipples - 2 pack fit the 4 oz and 9 oz Baby Bottles and in four sizes: Stage 1, 0-3 months; Stage 2, 3-6 months; Stage 3, 6 months; and Y-cut nipples for the fastest flow of milk, formula, or other fluids. Made of silicone, BPS/BPA/phthalate free, and featuring a vented design, these nipples are made to take everyday adventures in stride.

Lifefactory strives to make healthy habits, delightful. Pure glass, stainless steel and protective silicone are central to Lifefactory's unique collection of purposefully designed essentials to help you care for yourself, your family, and the world around you.

From reusable bottles and glassware to insulated totes, Lifefactory products are a daily reminder that healthier habits create real impact. Lifefactory stands for quality, continually striving to reduce single-use plastic and focusing on inspiring healthy daily choices.

Simply put, like us Lifefactory believes that doing good should also feel good.