Don’t waste any of that valuable breast milk by catching it with the Medela Hands-Free Collection Cups. These cups are designed for the Freestyle Flex, Pump In Style, or Swing Maxi Breast Pumps. Designed with you in mind, the angled breast shield will provide maximum comfort while you pump. Fewer parts make easier cleaning, while the transparent construction means you can easily see your milk flow. | Medela Hands-free Collection Cups for Freestyle Flex, Pump in Style & Swing Maxi Electric Breast Pumps