Any tear in the nipple can lead to the separation of a piece, presenting a possible choking hazard. Inspect frequently by pulling on bulb portion of nipple. Discontinue use if any tear or crack appears. Do not attempt to enlarge hole as this will cause tearing. Only give fully-assembled bottle to baby.
Complete Stainless Steel Bottle Kit that Grows with Your Child! Convertible
Baby BottleNaturally Bacteria ResistantUnbreakableLightweight & Dishwasher SafeThis Baby Bottle converts to a Sippy Cup and then to a lunch box ...