Mompmuir 16mm Silicone Flange Inserts – Reduces 24-25mm to 16mm, Compatible with Elvie Stride, Medela, Spectra, Lansinoh, S9/S12

Overview

Discover a flexible way to tailor your pumping experience with the Mompmuir 16mm silicone flange inserts. Designed to reduce a 24–25mm nipple tunnel down to 16mm, these inserts give you a more customized fit without changing your existing pump, potentially enhancing comfort during longer sessions. Made from soft silicone and crafted for compatibility, they work with a wide range of popular pumps and brands so you can keep using your preferred device.

Key compatibility

• Elvie Stride
• Lansinoh
• Medela
• Spectra S1/S2
• Momcozy S9/S12/M5/M6/M9
• eufy, Bellababy
• Freemie, Amada MYA, TSRETE, FEISIKE, Rainyb

The design aims to maintain the suction performance you’re used to, while offering a smaller tunnel for a more individualized fit. If your current shield feels wide or leaves a sensation of fullness, these inserts might provide a more comfortable alternative.

Design and performance

• Second-generation two-level taper design supports milk flow without blocking the nozzle.
• Soft silicone construction provides a comfortable touch and a snug feel against the skin.
• Made to preserve the same suction as your original pump parts, so you can switch without adjusting your device.

Size guidance and fit

• 2 pieces per pack; each insert reduces the nipple tunnel to 16mm.
• Suitable for a nipple diameter of 12–13mm before pumping, or a base circumference of about 37.68–40.82mm.
• Other sizes (15–22mm) are available if you need different fit options.

Care and safety

• BPA and DEHP free. Safe for boiling water and steam; top-rack dishwasher safe.
• Food-safe, seamless design with easy installation and removal.
• Maintains compatibility with a variety of pump parts without altering suction strength.

Note: Benefits described here reflect fit, comfort, and compatibility, not guarantees. Real-world results can vary by individual and device.