Silicone Breast Pump Flange Inserts – Sizes 14–24mm

Make Every Pumping Session More Comfortable

Struggling with ill-fitting breast pump flanges? These soft silicone flange inserts are designed to bridge the gap between your nipple and a standard breast shield, delivering a gentler, more personalised fit. Whether you're using a traditional plug-in pump or a wearable electric breast pump, these inserts help reduce nipple friction, irritation, and discomfort so you can focus on what matters most — nourishing your baby.

This product is intended for external use as a breast pump accessory only. It is not ingested or applied as a cosmetic. No FDA health claim is made.

Why You'll Love These Flange Inserts

• Broad Compatibility: Fits most standard traditional and wearable electric breast pumps, making it a versatile addition to your pumping kit.
• Perfect for Smaller Nipples: If your pump came with oversized flanges, these inserts reduce the inner diameter to prevent painful nipple rubbing and trauma.
• Skin-Safe Silicone: Made from high-quality, odour-free silicone that is gentle on sensitive skin and safe for use during breastfeeding.
• Six Size Options: Available in sizes 14mm, 16mm, 18mm, 20mm, 22mm, and 24mm to match your unique anatomy.
• More Efficient Pumping: A proper fit improves suction and milk flow, helping you express more milk in less time.

Specifications

• Material: Food-grade Silicone (no harmful chemicals)
• Available Sizes & Inner Diameters:
  • #14 – Approx. 0.55 in (14 mm)
  • #16 – Approx. 0.62 in (16 mm)
  • #18 – Approx. 0.70 in (18 mm)
  • #20 – Approx. 0.78 in (20 mm)
  • #22 – Approx. 0.86 in (22 mm)
  • #24 – Approx. 0.94 in (24 mm)
• Country of Origin: Made in Mainland China

Package Contents

• 1 × Silicone Breast Pump Flange Insert (choose your size)

How to Choose the Right Size

Measure the diameter of your nipple (not the areola) in millimetres. Your ideal flange insert should have an inner diameter that is approximately 1–3 mm larger than your nipple for a comfortable, effective seal. For personalised guidance, consult a lactation consultant or visit the CDC Breastfeeding Resource Center for evidence-based breastfeeding tips.

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Frequently Asked Questions

Q: Are these silicone flange inserts compatible with all breast pumps?

A: These silicone flange inserts are designed for broad compatibility and fit most standard traditional plug-in breast pumps as well as wearable electric breast pumps. We recommend checking your pump's flange diameter before purchasing to ensure the insert size you choose will fit correctly inside your existing shield.

Q: How do I know which flange insert size is right for me?

A: Measure your nipple diameter (the base of the nipple only, not the areola) in millimetres. Select an insert whose inner diameter is approximately 1–3 mm larger than your nipple measurement. For example, if your nipple is 17 mm, a #18 or #20 insert would typically provide the best fit. When in doubt, consult a certified lactation consultant.

Q: How should I clean and sterilise these flange inserts?

A: Rinse the silicone inserts with warm soapy water after each use, then sterilise them by boiling in water for 3–5 minutes or using a steam steriliser. Allow them to air-dry on a clean surface. Avoid abrasive cleaners or brushes that could damage the silicone surface.

Q: Is the silicone safe for use near my baby?

A: Yes. The inserts are made from food-grade, odour-free silicone that contains no high-concern chemicals. They are designed to be skin-friendly and safe for breastfeeding mothers and their babies.