Dr. Brown's Dr. Brown's Options + Bottle to Sippy starterkit BH 270 ml Dr. Brown's Options+ Bottle Starter Set 5pack Pink Babies R Us Canada Dr Brown's Options+ Level 1 Teats Dr Browns Dr Browns Options + Starter Kit Olivers BabyCare Dr. Brown's Options+ Deluxe Bottle Essentials Starter Set Babies R Us Dr. Brown's Options+ 15 Piece Complete Infant Starter Set, Clear. The new Dr Browns Options the first convertible bottle that can be used with or without the green vent system. The unique internal green vent system continues to create 100% vacuum free feeding, which is clinically proven to help reduce wind related colic. This is what makes 9 out of 10 Healthcare Professionals recommend Dr Browns for the relief of wind related colic. As baby becomes more developed the bottle can be used without the green vent system to work more like a conventional, teat vented bottle. The new Dr Browns scalloped designed teat allows air to vent through bottle when green vent system is not used for when babys feeding it developed or parents just want the convenience of a teat vented bottle.