Nuliie 10Pcs Silicone Flange Insert Kit 16-20mm for 24mm Breast Pumps

Find the right fit for wearable pumps

Nuliie offers a 10 piece flange insert kit that adds sizing flexibility to your 24 mm shields. With sizes 16, 17, 18, 19, and 20 mm, you can tailor the shield to your shape for a closer seal and a smoother start to pumping sessions. Note: 27-28 mm shields are not supported by this kit.

Soft silicone for comfort and consistency

The inserts are crafted from soft, food-grade silicone that feels gentle against skin. The flexible material cushions contact points and adapts to minor changes in shape, contributing to a more comfortable pumping experience. The silicone is BPA-free and dishwasher safe for easy cleaning.

What you get and how to use

• 10 pieces in sizes 16, 17, 18, 19, and 20 mm to fit many 24 mm pumps
• Compatibility with popular brands including Nuliie, Momcozy, Elvie, SPECTRA and more
• Free nipple measurement ruler to verify size before pumping
• Complimentary cleaning brush for quick maintenance
• PP storage case to keep inserts organized between uses

Care, safety, and support

• Food-grade silicone and BPA-free, dishwasher safe for easy cleanup
• Rinse after each use and replace inserts every 2 months to maintain performance
• Responsive after-sale support to answer sizing questions and provide guidance

Real-world use and practical tips

Designed for busy moms, this kit supports flexible sizing at home or on the go. Start with a mid-range size such as 18 or 19 mm and adjust based on comfort and seal quality. Use the included ruler to compare before and after sizes and keep inserts ready in the storage case for travel or quick changes.