New in original factory box.Maymom 28mm MyFit Complete Flange KIt. Model: S001W-F28.5inFEB. Contents in box: (1)-wide-mouth flange x 2 (2)-backflow protector x 2 (3)-Tubing x 2 (4)-Flat o-ring x 2 (5)-duckbill valve x 4 (6)-baby bottle x 2 (7)-o-ring x 2 (8)-cap x 2 Versatile Compatibility.Multiple Sized Flanges.Time saver. Leak Proof. Ergonomic Design.