Dr. Brown's Original Bottle， 8 ounce， 4-Pack<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Vent system eliminates negative pressure and air bubbles to help reduce colic， spit up， burping and gas </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Fully vented bottle design provides vacuum free feeding similar to breastfeeding </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Helps maintain vitamins C， A and E plus lipids </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> BPA free </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Includes 4 8 ounce bottles </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41MwQLYvROL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ogdscuPBL.jpg" noproxy>