Philips Avent Natural Nipple Fast Flow - 4 Pack<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Unique anti-colic valve </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Natural latch on due to the wide breast shaped nipple </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Unique comfort petals inside nippple increase flexibility and stretch to prevent nipple collapse </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Pack of 4 Nipples that are size 4 for Ages 6 Months and Older </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31GXLCX-RML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31fryks3QZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-fSmoJrIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pu-fGgVTL.jpg" noproxy>