* BPA Free * Designed for Longer, Safer Breastmilk Storage * For Storage of Breastmilk in Refrigerator or Freezer * Express Milk Directly into Bottles* * Storage Bottles, Collars and Disks. Nipple Not Included * Developed exclusively for use with the Lansinoh Affinity Double Electric Breast Pump. Designed so you can pump directly into these BPA-free bottles and use the same container for storing and feeding without ever transferring your milk. Affinity Breastmilk Storage Bottles * Designed for longer and safer storage of breastmilk * Developed exclusively for use with the Lansinoh Affinity Double Electric Breast Pump * Specially designed sealing disk prevents storage bottle from leaking * Freezer-safe and dishwasher-safe * Standard sized neck