GOCROWEEN Flange Inserts 20mm – 10pcs for Medela/Spectra 24mm Shields, Compatible with Momcozy S12 Pro/S9 Pro, Reduces 24mm to 20mm

Versatile comfort for a broader range of pumping setups

The GOCROWEEN 20mm flange inserts come in a 10-piece pack and are designed to pair with a variety of 24mm shield systems. They fit compatible 24mm cups from Medela PersonalFit and Spectra, and also work with popular Momcozy wearables such as the S12 Pro, S9 Pro, S9, and S12. By introducing a 20mm opening inside a 24mm cup, these inserts offer a flexible sizing option that may help some users achieve a more comfortable fit during sessions.

Made from BPA-free, food-grade silicone, the inserts are built to be easy to clean and reuse. The silicone material supports gentle handling and durability, while the compact size makes them a convenient addition to any pumping kit without adding bulk.

Compatibility at a glance

Designed to work with a broad range of brands and models that use 24mm cups, including Medela, Spectra, and several wearable pump lines. The goal is to provide an alternative sizing option that can adapt to different breast shapes and pumping styles.

• 10-piece pack provides multiple spares for busy routines
• Compatible with Medela PersonalFit 24mm and Spectra 24mm flanges
• Also suitable for Momcozy S12 Pro/S9 Pro/S9/S12 wearable pumps
• Not intended for 27mm shields

How to use and care for best results

• Choose the 20mm insert that matches your comfort and pumping goals
• Observe nipple appearance during pumping to ensure a comfortable seal
• Replace inserts every 1–2 months to maintain fit and hygiene
• Rinse after use, wash with mild soap, and air-dry completely

Why consider GOCROWEEN 20mm inserts

These inserts offer a practical option if you’re looking to adjust fit without changing your entire cup system. They emphasize comfort, ease of maintenance, and compatibility across a number of popular brands, helping you customize your setup to suit your routine. While results can vary, users may notice a softer feel around the shield opening and a straightforward cleaning process after each pumping session.