Maymom Flange Inserts 18mm – 2pc | 24mm to 18mm Reduction | Compatible with Spectra, Medela, Momcozy & Willow

Overview of Maymom Flange Inserts 18mm (Long Plus)

Maymom’s 18 mm flange inserts are a flexible, two-piece solution designed to adapt a standard 24 mm shield to an 18 mm opening. Crafted from soft, food-grade silicone, these inserts invite a more tailored feel during pumping sessions. The set’s wearer-focused design supports a variety of pumping configurations while remaining easy to integrate with your existing gear.

What’s included and how it works

• Two 18 mm inserts (Long Plus) that slide inside a 24 mm shield to create an 18 mm tunnel.
• Simple insertion and secure in-shield positioning for uninterrupted pumping sessions.
• Maintains compatibility with many hands-free bra setups by using your original 24 mm detachable shields with the inserts inside.

Wide compatibility at a glance

• Fits Medela PersonalFit and Spectra 24 mm shields, reducing the nipple tunnel to 18 mm.
• Also compatible with Momcozy S9 Pro/S12 Pro, LegendairyMilk, Tsrete wearable 24 mm cups.
• Can work with Willow 24 mm flanges, Ameda 25 mm flanges, Lansino 24 mm flanges, and Freemie 25 mm cups.
• Note: not all 24 mm-to-27 mm variants are supported; verify your cup model if unsure.

Materials, safety and certifications

• BPA-free, food-grade silicone that complies with EU and US FDA guidelines for materials contacting food.
• Independently lab-tested; test reports are available for reference.
• Designed for repeated use with pumping equipment and easy cleaning.

Care, usage tips and best practices

• Rinse after use, wash with mild soap, and air dry away from heat to protect silicone integrity.
• Inspect for wear before each use; replace if any cracks or damage are detected.
• Store in a clean, dry place and avoid rough surfaces that could wear the tunnel edge.

Usage considerations

These inserts offer a customizable fit and may help accommodate different nipple tunnels during pumping. They’re designed to work with your existing shield systems, without altering your pump head or cups. Results can vary by individual and setup.