The new Dr Brown's Options - the first convertible bottle that can be used with or without the green vent system. Includes:4 x dr brown's options 270ml bottles. 1 x dr brown's vent cleaning brush. 4 x dr brown's options level 1 teats. Features:Helps to reduce colicky symptoms . Proven to help preserve vitamins : c, a and e. Vacuum -free feeding helps digestion . Fully-vented bottle design. General information:Suitable from birth. EAN: 0072239306574.