To prevent possible choking hazard, test strength before each use by pulling the nipple in all directions. Any tear and lead to the separation of pieces. Discontinue use if any tear or crack appears
Do not attempt to enlarge the hole as this may lead to tearing
Prolonged periods of time drinking liquids, other than water, may cause tooth decay
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Care: Prior to first use, sanitize by boiling in water for 5 minutes. For day to day cleaning, wash in hot water and mild detergent, then rinse clean. Dishwasher safe (top-rack). For hygiene and safety, replace nipples after about 2 months of use.
Use: Make sure the Nuk air system symbol is under baby's nose for best results.