Maymom Wide Neck Breastmilk Collection and Storage Bottle 9oz; Remarkable SureSeal Disc. Compatible with Spectra S2, Spectra S1 and Avent Breast Pumps

• WIDE-NECK COLLECTION BOTTLES COMPATIBLE WITH AVENT, SPECTRA S2, SPECTRA S1, SPECTRA 9PLUS PUMPS. Incl. 4 breastmilk collection or storage bottle. 9oz/280ml. For Avent Manual, Avent Electric breastpumps and Bellababy pumps
• 100% LEAK PROOF & 5-mL FINE MEASUREMENT MARKS . Incl. silicone SureSeal (TM) sealing disc so no leak at all; The bottle has 5-mL incremental measurement marks. You know exactly how much milk you have produced.
• BALL-PEN WRITEABLE TOP - the SureSeal silicone top can be marked with a ball-pen, and removed with soapy water. You can date the bottle to know the age of the contained milk, or name the bottle so no mix-up in the daycare refrigerator.
• BOTTLE FITS NIPPLES AND RINGS of AVENT NATURAL, AVENT CLASSIC, and SPECTRA BOTTLES. Pump directly into these the bottles, so no transfers of breastmilk, and so No Waste of milk.
• BPA FREE. Temperature range -20 - 110 deg. C. Made from PP and silicone. 3rd party test reports available for reference. Dishwasher top rack safe. All parts can be removed and cleaned with water steam or boiling water.

Maymom Bottles for Spectra Wide-Mouth flanges such as the flanges that come with your spectra s1 pumps and spectra s2 pumps.