NUK 2 Pack Replacement valves Spill Proof Cup， Colors May Vary<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Fits most fun grips， sip and smile cups </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Extends use of spill-proof cup </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Snaps easily into place for convenient use </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Made of sturdy， durable plastic </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Controls the flow of liquids </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51l1TG246uL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51zhQzVDF6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31xh0x3n0YL.jpg" noproxy>