Dr. Brown's options: the market's first convertible bottle that can be used with or without the vent system. The new vent system is designed to grow with baby, and we recommend using this system to experience all the health benefits of our bottle.

Features:

• Options Bottle can be used with or without Vent system
• Helps reduce feeding problems, helps digestion and helps preserve vitamins
• Proven to help preserve bottle milk nutrients
• Vacuum-Free feeding helps digestion, BPA Free