Silicone Breast Flange Insert 14–22mm | Pump Adapter

Make every pumping session more comfortable and efficient with this Silicone Breast Flange Insert. Designed to reduce your standard 24mm breast pump flange down to your ideal fit — available in 14, 16, 18, 19, 20, 21, or 22mm — this soft, flexible insert helps you achieve a proper latch, maximize milk output, and minimize discomfort.

This product is a breast pump accessory and is not intended to diagnose, treat, cure, or prevent any disease. Always consult your healthcare provider for breastfeeding and lactation guidance.

Why You'll Love This Flange Insert

• Perfect Fit, Every Time: Easily converts a standard 24mm flange to sizes 14–22mm so you can find the most comfortable, efficient fit for your nipple size.
• Soft & Skin-Safe Silicone: Made from body-safe, PVC-free silicone that is gentle on sensitive skin, reducing irritation during long pumping sessions — safe for both mom and baby.
• Maximize Milk Production: A proper fit helps create a better seal and suction, supporting improved milk flow and production — ideal for working moms or those building their milk supply.
• Wide Compatibility: Works with most standard breast pumps, providing a hassle-free, leak-resistant seal.
• Lightweight & Travel-Friendly: Compact design makes it easy to take wherever you go — at home, at work, or on the road.
• Durable Construction: Engineered for a tight, secure seal to prevent leaks and spills when expressing milk directly into your preferred containers.

Product Specifications

• Material: BPA-free, PVC-free food-grade silicone
• Available Sizes: 14mm, 16mm, 18mm, 19mm, 20mm, 21mm, 22mm
• Compatible With: Most standard 24mm breast pumps
• Package Includes: 1 × Breast Flange Insert
• Age Range: Suitable for newborns (0–6 months)
• Country of Origin: Made in Mainland China

Note: Please allow 1–2cm measurement tolerance due to manual sizing. Slight color variations may occur due to different display settings.

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For expert breastfeeding guidance and tips on proper pump fit, visit the CDC Breastfeeding Resource Center.

Learn more: Breast pump

Frequently Asked Questions

Q: What sizes does this silicone breast flange insert come in?

A: This flange insert is available in 14mm, 16mm, 18mm, 19mm, 20mm, 21mm, and 22mm sizes. It is designed to fit inside a standard 24mm breast pump flange, reducing the opening to match your nipple size for a more comfortable and effective pumping session.

Q: Is this breast flange insert safe for both mom and baby?

A: Yes! The insert is made from body-safe, PVC-free, BPA-free food-grade silicone. It contains no high-concern chemicals and is designed to be gentle on sensitive skin, making it completely safe for use by breastfeeding moms and their babies.

Q: Will this silicone flange insert fit my breast pump?

A: This breast flange insert is engineered to be compatible with most standard breast pumps that use a 24mm flange. It provides a secure, leak-resistant seal to ensure efficient milk expression directly into your preferred containers.

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

A: The correct flange size is typically based on your nipple diameter. The insert should fit snugly around your nipple without causing discomfort or restriction. Many lactation consultants recommend measuring your nipple to find the best fit. Refer to your pump's sizing guide or consult a lactation specialist for personalized advice.