Silicone Breast Flange Insert Reducer 13–24mm | Pump Fit

Make every pumping session more comfortable and effective with this Silicone Breast Flange Insert Reducer. Designed for nursing mothers who need a smaller fit, this soft silicone insert simply slides into your standard 24mm breast pump flange to convert it to your ideal size — from 13mm up to 24mm — for a snug, comfortable, and efficient latch every time.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Why You'll Love It

• Perfect Fit, Better Output: A correctly sized flange creates a proper seal, reducing discomfort and helping you express milk more efficiently.
• Soft & Skin-Safe Silicone: Crafted from body-safe, BPA-free silicone — gentle against sensitive skin during and after nursing.
• 6 Size Options: Available in 13mm, 15mm, 17mm, 19mm, 21mm, and 24mm to accommodate a wide range of nipple sizes.
• Universal Compatibility: Converts most standard 24mm breast pump flanges, so no need to buy a whole new pump or flange set.
• Use Anywhere: Lightweight and discreet — ideal for home, hospital, work, or travel.
• Easy to Clean: Smooth silicone surface is simple to rinse and sterilize between uses.

Specifications

• Material: Food-grade Silicone
• Available Sizes: 13mm, 15mm, 17mm, 19mm, 21mm, 24mm
• Dimensions: Approx. 5.5 × 9.8 cm (2.17 × 3.86 in)
• Available Colors: Green, Pink
• Package Includes: 1 × Silicone Breast Flange Insert
• Country of Origin: Made in China

Note: Please allow ±1–2 cm variance due to manual measurement. Slight color differences may occur due to screen resolution variations.

Recommended for Nursing Moms

Using the correct flange size is one of the most important steps to successful breastfeeding and pumping. Learn more about choosing the right breast pump fit from the CDC Breastfeeding Resource Center.

Complete Your Pumping Kit

Pair this insert with other comfort essentials from our store:

• Laneige Lip Sleeping Mask – Intense Hydration for Dry Skin
• Curl Defining Mousse – Gentle Hair Styling for New Moms

Learn more: Breast pump

Frequently Asked Questions

Q: What breast pump brands is this silicone flange insert compatible with?

A: This silicone breast flange insert is designed to fit most standard 24mm breast pump flanges. It is compatible with many popular pump brands that use a 24mm tunnel size. We recommend checking your pump's flange diameter before ordering to ensure a correct fit.

Q: How do I choose the right flange insert size?

A: The correct size is determined by your nipple diameter — the insert should fit snugly around the base of your nipple without causing friction or leaving too much extra space. Most lactation consultants recommend measuring your nipple diameter (not including the areola) and choosing the next size up for comfortable movement. Sizes range from 13mm to 24mm.

Q: Is the silicone material safe for breastfeeding use?

A: Yes. This insert is made from food-grade, BPA-free silicone that is safe for use during breastfeeding. It contains no high-concern chemicals and is gentle on sensitive skin. Always clean and sterilize the insert before first use and regularly during use.

Q: Can I sterilize this flange insert?

A: Yes. The silicone material is easy to clean — simply rinse with warm soapy water or boil briefly to sterilize. Always allow to dry fully before use.