An excellent set for free feeding or trying Dr. Brown's bottles. The improved design of options and the Dr. Brown anti-colic bottle clinically proven to reduce windy colic thanks to Dr. Brown's unique 100% vacuum-free ventilation system. The options + bottles from Dr brown offer an easy and convenient way to feed your little ones by adapting to your growing needs. Thanks to the unique design, this bottle can be used with or without removable internal ventilation system and transforms you into a bottle with a ventilated teat for added convenience. Use Dr. Brown's options and bottles from birth - don't wait for your baby to develop colic! The unique internal green venting system continues to provide 100% vacuum-free feeding, clinically proven to help reduce wind-induced colic. For this reason, Dr. Brown is the first choice among healthcare professionals in the UK for relieving colic symptoms. The breast-like teat shape is properly shaped to ensure correct locking and a more natural feeding experience - ideal for switching from breast to bottle and back again! Each teat has been specially designed to ensure the same natural flow, so you and your baby know what to expect in each food. The options of Dr Brown + grow with the baby and allow easy removal of the ventilation system when the baby has no problems with feeding or you want the convenience of a teat venting bottle. The teat vent creates a controlled flow and provides babies with an easy and comfortable way to feed at their own pace. The complete suspension system that grows with the baby and helps relieve the symptoms of windy colic. Prevention is better than cure! Includes: