The Freemie Collection Cups Deluxe Set is designed for hands-free double pumping under your shirt. Collect up to 8 ounces in each side for a total of 16 ounces. Comes with 2 new clear Freemie Collection Cups, Two 25mm Funnels, Two 28mm Funnels, 3 Valves, 2 Valve Bases & 2 Tubes that are compatible with the Medela Pump In Style Advanced, Symphony & Lactina Pumps and the Hygeia Breast Pumps. Or chose Freemie Closed System Collection Pump Connection Kit ($79.99) that works with Ameda, Lucina, Philips Avent, and Spectra. It is not compatible with the Medela Freestyle Breastpump.