Dr Brown’S Options Transition Bottle Is Designed To Grow With Baby, Featuring A Removable Vent System Providing The Option Of Using The Bottle With Or Without The Vent. We Recommend Using The Vent System To Experience All Of The Health Benefits Of The Bottle. It Helps In Reducing Feeding Issues, Aiding Digestion, And Preserving Vitamins. Some Parents Find Removing The Vent A Convenient Option As Their Baby'S Feeding Becomes More Developed. The Dr Brown’S 2-In-1 Transition Bottle Kit, You Can Now Help Your Little One Comfortably Transition From Options Bottle To Cup. The Dr Brown’S Transition Bottle Is Designed To Easily Convert From Options Bottle To Sippy Spout Bottle. Includes A Wide-Neck 270Ml Options Bottle, Level 3 Teat And A Sippy Spout. When Baby’S Ready, Simply Remove The Vent And Bottle Teat With The Super Soft Transition Sippy Spout.

• Options Grows With Your Baby, Allowing You To Remove The Vent When Your Baby’S Feeding Develops. Easily Convert The Fully-Vented Options Bottle To Sippy Spout Bottle When Baby Is Ready. Easy To Sip
• This Transition Sippy Spout Is Easy For Baby To Use And Offers Your Little One The Best And Easiest Transition From Bottle To Cup. Easy To Clean
• Dr Brown’S 2-In-1 Transition Bottle Kit Is Easy To Clean, Dishwasher Safe (Top Rack Only).