This baby bottle and food cooler insert is designed specifically for the Yeti Hopper Flip 8 to keep feeding essentials organized and at a stable temperature on the go. It securely holds up to 4 Dr Brown bottles, 1 NUK or Phillips Avent water cup, and 2 food pouches with space for a medium Yeti Thin Ice or Pelican Ice 1lb in the center. The 3D printed plastic construction is lightweight and durable, and should be hand washed only.