Nuliie 10PCS Silicone Flange Sizing Kit for 24mm Breast Pumps — 14–18mm Inserts

A smarter fit for your pumping setup

The Nuliie 10PCS Flange Sizing Kit is crafted to help you tailor shield fit for your 24mm pumps. With sizes 14, 15, 16, 17, and 18 mm, you can adapt a standard shield to the diameter that feels right for you, supporting comfortable sessions and smoother pumping routines.

Designed to work across a wide range of popular brands, including Nuliie, Momcozy, Elvie, SPECTRA, Lansinoh, Bellababy, Zomee, Phanpy, and more, this kit emphasizes a soft, skin-friendly touch. The silicone is food-grade and BPA-free, offering a gentle seal without harshness, so you can focus on the task at hand with less distraction from discomfort.

What’s included

• Ten silicone inserts in 14, 15, 16, 17, and 18 mm sizes
• Complimentary cleaning brush for quick upkeep
• Free nipple measurement ruler to help you choose the best size
• PP storage case for easy organization

Key benefits you may notice

• Wide compatibility with 24 mm wearable pumps, reducing the shield’s size for a better fit
• Soft, food-grade silicone designed for skin-friendly contact
• Possibility of more comfortable pumping sessions thanks to a personalized fit
• Dishwasher safe and simple to clean after each use
• Compact kit you can carry or store at home
• Includes a nipple measurement ruler to compare sizes before and after pumping

Real-world use and scenarios

On busy mornings, a quick size switch can make a noticeable difference in comfort, allowing you to settle into a steadier rhythm sooner. At night, a precise fit may help you maintain a consistent seal while you pause and resume, keeping noise and interruptions to a minimum. The soft silicone tends to feel less abrasive against sensitive skin, and the range of sizes supports a gradual adjustment as you find the most comfortable option for your routine.

Stocking up with this kit means you can experiment with sizes without buying multiple shields. The included nipple measurement ruler helps you track how fit changes with different sizes, so you can adapt as needed for daytime pumping or overnight sessions. While results vary by individual, many users report improved comfort and a smoother pumping experience when the fit is tailored to their shield.

Care & maintenance

• Wash promptly after use with mild soap and warm water
• Dishwasher safe for convenient cleaning
• Replace inserts every 2 months to maintain optimal performance
• Store in the included PP case to keep components organized

Note

Not compatible with 27–28 mm shields. This kit is designed to enhance fit and comfort on standard 24 mm shields.