Maymom Breast shield Flange for Medela breast pump with valve and membrane

Size: 15mm

Maymom One-piece Breast shield for Medela with Valve & Membrane is breast shield and connector in one to connect to Medela Breast pump and standard or narrow mouth milk bottles (e.g. Medela, Nuk). It comes with a valve and membrane.

What we like:

  • One-piece design is easy to clean with lesser pieces to store and lesser chance of losing suction
  • Smaller sizes available for mummy who has smaller sizes than the original breast shields. Sizes start from 15mm to 36mm
  • "Pocket-friendly" replacements from original brand
Works with
  • Breast pump: Medela Pump in style, Pump in Style Advanced, Lactina, Symphony (older version), Swing, Mini Electric
  • Bottle: Medela, NUK Standard mouth bottle, Pigeon Standard Mouth bottle

Does not work with:

  • Medela Freestyle, Swing-Maxi, Sonata, Flex Freestyle and Harmony

What's included in each pack:

  • 1 x breast shield or flange
  • 1 x valve
  • 1 x membrane


  • US FDA registered medical device (No. D192499) 
  • Made from BPA/DEHP-free material and all components are steam safe for sterilization

Product comparison between Maymom Breast shield & Medela PersonalFit Breast shield

  Maymom Breastshield for
Medela PersonalFit Breastshield 
Available Sizes 15mm, 17mm, 19mm, 21mm, 24mm, 25mm, 27mm
and 30mm, 34mm, 36mm
21mm, 24mm, 27mm, 30mm
and 36mm
Design One-piece design

Does NOT include the bottle connector

Product Package Sold in Single pack Sold in 2-pack
Full Set Product Comparison

2 Maymom Breast shield (includes 2 Valves & 2 Membranes)

2 Medela PersonalFit Breastshield + 2  Medela PersonalFit Connector + Medela Valve & Membranes
Price $13.95 x 2 = S$27.9 $x + S$y+ $z =?

A breast shield or flange is the funnel on a breast pump that attaches to your breast and draws the nipple out, creating suction and allowing your milk to flow out of your breasts and into the storage bottle. Some breast shields, the funnel and the bottle connector are joined seamlessly as a one-piece, known as the flange.

The size of the breast shield is express in terms of millimeters (mm). This usually refer to the measurement of the opening at end of the funnel towards the tunnel.  

Finding the Right Fit: 

In order to find your optimal breast shield size, you can measure your nipple diameter:

  1. Using a ruler or measuring tape, measure the diameter of your nipple at the base (across the middle, diameter) in millimetres (mm). Do not include your areola.
  2. Add 2 to 4 mm to your measurement when selecting your breast shield size.

If you have already started pumping, please measure after a pumping session.

You can also download this ruler, print and cut out the ruler to measure your nipple diameter.

Am I using the correct breast shield size?

If you answer yes to one or more of the following questions, you may be using the incorrect breastshield size.

- Do you feel discomfort when pumping?

- Does your nipple rub against the side of the flange?

- Do you see excess areola pulled into the flange?

- Do you see any redness of whiteness?

- Do you feel unexpressed breast milk after pumping?

A good fitting breast shield should give you a gentle, rhythmic pulling during expressing, and your breast should feel empty and soft once you’re finished. Pumping breast milk should never be a painful experience.

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