Maymom Breastmilk Storage Bag Adapters Compatible with Avent, Spectra S1, S2 Pumps with Wide Mouth Flange; Clear BPA Free Material; Boiling Water Safe; Do Not Use Microwave or Steamer Bag to Sanitize

Fits most wide neck breastshields (Avent, Spectra S1/S2 Widemouth flanges)

Compatible with popular bags like Lansinoh, Nuk

Pump directly into storage bag

No milk loss due to transferring from collection bottles to bags

Disclaimer: Maymom is an independent company. All other trademarks (Lansinoh, Nuk, Medela, Avent, Spectra, Ameda) used here belong to their respective companies. Maymom is not affiliated these companies nor is the product endorsed by these companies.