Dr Brown's Natural Flow Y-Cut Narrow Nipple (Clear, 9 M) -Set of 2Key Features: Fits all dr brown narrow bottles Y Cut narrow 9m+ Without bpa Slim neck teat suitable for dr browns baby bottles options+ The silicone teat mimics the mother's own breast in a natural way, which is great for changing back and forth between breast and bottle The soother is also suitable for premature babies and babies who have breastfeeding problems for various reasons. package contains 2 teats Product Description: Dr Brown Teat 9m+