Maymom Wide-Mouth Milk Storage Collection Bottle with Travel Cap and Sealing Ring ; Can Replace Spectra S1 S2 Avent Natural Avent Classic Bottles (6pc 4.7Oz/140mL)

Maymom Bottles for Spectra Wide-Mouth flanges such as the flanges that come with your spectra s1 pumps and spectra s2 pumps. It is your ideal solution for spectra s2 bottles, as well as spectra s1 bot...