Maymom Wide-Mouth Milk Storage Collection Bottle with Dome Cap, Bottle Top, SureSeal Sealing Disk; Can Replace Spectra S1 S2 Bottles, 5 pc (4.7Oz/140mL)

These parts are after-market parts made by Maymom, not original Avent, Spectra or Lansino parts. You are buying products that are made by Maymom. Maymom is NOT affiliated with Avent, Spectra or Lansin...