First Essentials by NUK Replacement Cup Valves fit all First Essentials by NUK cups that require a valve. The valve is activated by sipping, so it's great for baby because the liquid flows only in desired quantities. Plus, these valves snap easily into place. This pack of 2 replacement valves is BPA free and dishwasher safe for your convenience and baby's safety.
Material Type:90% plastic, 10% silicone
Where to Buy
The following link will take you to a site outside of NUK.
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Rated 4 out of
Best around, but still has issuesBest around, but still has issues