Lansinoh Signature Pro Extra Pumping Set. Includes: ComfortFit Flanges ( 2) standard (25 mm) or (2) large (30.5 mm); White Valves (4); Tubing (3); Y Connector (1); Bottles (2); Locking ring (2); Sealing discs (2); Diaphragms (2); Diaphragm Caps (2);Flange Bodies (2); Pump Connector (1); Bottle Stands (2); Bottle Nipple (1); Bottle Cap (1); Instructions.