The munchkin latch new born starter kit is designed to help you with breastfeeding the munchkin accordion teat pumps and moves just like the breast stretching back to your babys soft palate for a correct latch this bpa free bottle starter set has all of the essentials you will need for your new born baby includes 2 x 4oz latch bottles bpa free 2 x 8oz latch bottles bpa free 4 x stage 1 latch teats bpa free 2 x stage 2 latch teats bpa free 1 x latch bottle brush features