Dr. Brown's Natural Flow Options+ Wide-Neck Baby Bottle Conversion Kit, 9oz

Lost a nipple and a collar somewhere in the diaper bag black hole, and this kit saved me from buying a whole new bottle. The pieces click in exactly like the originals and the 9oz size holds a full feed. Glad I can keep using the bottles we already have.

Had to replace a cracked collar and this kit had everything I needed without buying a whole new bottle. The pieces fit my existing Options+ bottle perfectly and the vent system still works flawlessly. So glad they sell these as a standalone set.

My little one went through bottles so fast that I ended up buying this kit twice—the spare nipples and collars are lifesavers when one gets lost mid-feed. The pieces fit perfectly with the existing bottles I had, and the 9oz size is generous enough for his big nighttime feeds.