Dr. Brown's Options 3 Piece Wide Neck Glass Bottle in Silicone Sleeve， Green/Mint/Blue， 9 Ounce<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> The market's first convertible bottle that can be used with or without the vent system. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Helps reduce feeding problems - Our bottles are known for reducing colic， spit-up， burping and gas </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Helps preserve bottle milk nutrients - Vitamins C， A， and E are critical for health in infancy </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Vacuum-free feeding helps digestion </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Controlled flow so babies feed at their own pace </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41F8YuErPNL.jpg" noproxy>