Dr. Brown's Options Standard Neck Baby Bottle that can be used with or without the vent
system. The new vent system is designed to grow with baby, and Dr.
Browns's recommend using this system to experience all the health
benefits of bottle. It helps reduce feeding problems, helps digestion
and helps preserve vitamins. Some moms and dads find removing the vent a
convenient option as their baby's feeding becomes more developed. The
nipple venting creates a paced flow and provides a feeding experience
similar to most nipple-vented bottles. Options bottles fit most breast
pumps and are BPA-Free and made in the USA.