---
product_id: 615217480
title: "Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm"
brand: "tovvild"
price: "$19.74"
currency: USD
in_stock: false
reviews_count: 13
url: https://www.desertcart.ec/products/615217480-pump-parts-inserts-20mm-4-pcs-silicone-inserts-for-momcozy
store_origin: EC
region: Ecuador
---

# Precision 20mm flange inserts Compatible with 7+ major pump brands BPA-free food-grade silicone Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm

**Brand:** tovvild
**Price:** $19.74
**Availability:** ❌ Out of Stock

## Summary

> 🤱 Pump smarter, not harder — comfort meets precision!

## Quick Answers

- **What is this?** Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm by tovvild
- **How much does it cost?** $19.74 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/615217480-pump-parts-inserts-20mm-4-pcs-silicone-inserts-for-momcozy)

## Best For

- tovvild enthusiasts

## Why This Product

- Trusted tovvild brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Custom Fit Comfort:** Tailor your pumping experience with precise 20mm inserts that reduce nipple tunnel size for pain-free sessions.
- • **Premium Safe Silicone:** Crafted from BPA-free, food-grade silicone ensuring ultimate safety and softness for you and baby.
- • **Universal Compatibility:** Seamlessly fits Momcozy S9/S9Pro/S12/S12Pro, Medela, Willow, and other top wearable pumps with 24mm flanges.
- • **Boost Milk Flow & Comfort:** Optimized flange sizing reduces discomfort and enhances milk production—because every drop counts.
- • **Durable & Easy to Replace:** Affordable 4-piece set designed for frequent swaps, keeping your pump parts fresh and hygienic.

## Overview

These 20mm silicone flange inserts are designed to fit a wide range of popular wearable breast pumps, including Momcozy, Medela, and Willow. Made from BPA-free food-grade silicone, they reduce nipple tunnel size to enhance comfort and milk flow during pumping. The 4-piece set offers an affordable, durable solution for moms seeking a customized, pain-free pumping experience.

## Description

For all mommies that feel pain while pumping this is for you !! This is such a life saver!!The flange sizing kits compatible with lots of breast pumps, makes pumping painless and helps with more milk production.Many lactation consultants say your size change over time, so these 16mm 17mm 18mm 19mm 20mm different set will be handy to keep checking sizing.Keyworks: flange insert kit_flange_flange sizing kit_flange inserts for spectra_nipple measurement tool for flanges_pumpin pals flanges_nipple sizer for flanges_flange inserts for momcozy_19mm flange inserts_17mm flange insert_breast pump flange insert

Review: Great - I use these with my momcozy M5 and fits perfectly! Good quality and value for money.
Review: No difference to genuine momcozy parts - Purchased to replace the pieces in my momcozy pump, fits the pump perfectly and no problem with using afterwards. I'm more likely to replace the parts as frequently as you should when you can get replacements bits thst are this cheap and actually work!

## Features

- Compatible: These flange inserts compatible for TSRETE/Momcozy Medela/Spectra/Willow/Elvie/kmaier/Phanpy/Bellababy/NaNaLazy/KISSBOBO wearable breast pump 24mm flanges (Not for 27mm shield)
- Flange sizing kit allow you to adapt your breast pump to the appropriate size for optimal suction. Perfect for figuring out your optimal flange size
- Supper Comfortable: These flange inserts are made with BPA-free food-grade silicone while should give you peace of mind about your baby's milk. They are very comfortable while in use, especially when used with a little nipple cream
- Game Changer: The right sizing helped enjoy a cozy pumping experience, had no issues with pulling or uncomfortable. The flange insert breast pump parts also solved the problem of having pain from using a large flange
- Tag:16mm 18mm 20mm flange insert,16/17/18/19/20/21mm flange insert, breast pump parts,flange sizing kit,flange insert kit,A variety of packaging for you to choose from

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CSFKZGTJ |
| ASIN  | B0CSFKZGTJ |
| Best Sellers Rank | 25,096 in Baby Products ( See Top 100 in Baby Products ) 445 in Breast Pumps & Accessories |
| Brand | TOVVILD |
| Customer Reviews | 4.3 4.3 out of 5 stars (1,377) |
| Customer reviews | 4.3 4.3 out of 5 stars (1,377) |
| Date First Available | 25 Oct. 2022 |
| Item model number  | 16mm |
| Manufacturer  | TOVVILD |
| Product Dimensions  | 8 x 8 x 6.5 cm; 68.04 g |
| Units | 4.00 Count |

## Product Details

- **Brand:** TOVVILD
- **Colour:** 4pcs-20mm Insert
- **Dishwasher safe?:** Yes
- **Included components:** Breast Flange
- **Item weight:** 0.15 Pounds
- **Material:** Silicone
- **Number of items:** 4
- **Power source:** Battery Powered
- **Size:** One Size
- **Special feature:** Lightweight, Painless, Portable, Portable Lightweight Wearable, Wearable

## Images

![Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm - Image 1](https://m.media-amazon.com/images/I/61grdMjdb3L.jpg)
![Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm - Image 2](https://m.media-amazon.com/images/I/61lRv4TLWgL.jpg)
![Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm - Image 3](https://m.media-amazon.com/images/I/71+epXyywqL.jpg)
![Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm - Image 4](https://m.media-amazon.com/images/I/710D4BJLirL.jpg)
![Pump Parts Inserts 20mm 4 Pcs Silicone Inserts for Momcozy S9/S9Pro/S12/S12Pro 24mm Flange, Medela/Willow Wearable Breast Pump Shields, Reduce Nipple Tunnel Down to 20mmmm - Image 5](https://m.media-amazon.com/images/I/719XKbbJSGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by N***T on 29 May 2025*

I use these with my momcozy M5 and fits perfectly! Good quality and value for money.

### ⭐⭐⭐⭐⭐ No difference to genuine momcozy parts
*by T***Y on 31 May 2025*

Purchased to replace the pieces in my momcozy pump, fits the pump perfectly and no problem with using afterwards. I'm more likely to replace the parts as frequently as you should when you can get replacements bits thst are this cheap and actually work!

### ⭐⭐⭐⭐⭐ Brilliant
*by A***I on 30 November 2022*

They slot into the pump really well and they reduce the size of the flange, I have 2 24mm pumps of 2 different makes, these fit in both lovely, bellababy and tseret, I needed the 15mm flange, pumping is so much more nicer now it doesn't hurt! Thank you 😅

## Frequently Bought Together

- TOVVILD 20mm Flange Inserts for 24mm Flange/Shield, Compatible with Momcozy/Medela/MOMMED/Bellababy/Spectra Breast Pumps, Pump Parts Replace (4PCS 20mm)
- Maymom 20 mm Flange and Duckbill Valve Compatible with Spectra S1 Spectra S2 Spectra 9 Plus Not Original Spectra Pump Parts Replace Spectra S2 Pump Parts Spectra Flange Spectra Duckbill Valve
- Medela Contact Nipple Shields, Medium 20mm | For Latching Difficulties during Breastfeeding, Flat or Inverted Nipples

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-10*