IVARONAL Flange Insert 10Pcs Kit — 13–21mm, Compatible with Momcozy, Spectra, Medela, Elvie & More

Overview

Discover versatile comfort with the IVARONAL Flange Insert 10Pcs Kit. The soft silicone inserts adapt to your pumping routine, helping you find a snug seal and steady flow without sacrificing comfort. The set is designed to feel gentle against skin while being flexible enough to accommodate minor variations in shield sizing.

Designed for practical use, the kit includes ten inserts in two copies of five sizes, spanning 13mm, 15mm, 17mm, 19mm, and 21mm. This arrangement gives you the flexibility to trial different fits across changing needs, aiming for a smoother, more comfortable pumping experience.

Wide compatibility

Engineered for broad compatibility with popular brands and most 24mm shields, these inserts pair with a wide range of models. They work well with Momcozy models such as M9, M6, M5, and the V1 Pro / V2 Pro series, as well as brands like Spectra, Medela, Elvie, NCVI, TSRETE, eufy, Lansinoh, Paruu, and MomMed shield sets. Note that 27–28mm shields are not supported.

Materials and quality

Crafted from food-grade silicone, the inserts are BPA-free and designed for a soft, skin-friendly touch. The material offers a comfortable, snug feel while remaining durable enough for regular use and easy maintenance.

How to choose and use

Ten inserts come in two of each size for quick adjustments as your needs evolve. Size options include 13, 15, 17, 19, and 21 mm, providing mid-range choices that can adapt to changing stages of pumping. Starting with a mid-size can help you test comfort and efficiency, then you can move to a smaller or larger size if needed.

Key benefits

• Flexible sizing across stages for a personalized fit
• Soft, BPA-free silicone designed for gentle contact with skin
• Easy cleaning and quick sanitization between sessions
• Durable design that supports repeated use without irritation

Care and usage tips

• Rinse after pumping and sanitize by steam, boiling water, or microwave steam bags
• Allow to dry completely before storing
• Consider replacing every 2 months to maintain optimal functionality

What’s in the box

• 10 inserts in two of each size: 13, 15, 17, 19, 21 mm

Real life scenarios

Whether you’re at home, traveling, or returning to work, the IVARONAL kit offers practical flexibility. The soft silicone feel helps reduce external pressure during use, while the range of sizes supports experimenting with the most comfortable fit for different shields or brands. The kit is easy to clean between sessions, helping you maintain a tidy pumping setup without fuss.