---
product_id: 354626748
title: "Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct"
brand: "willow"
price: "$826"
currency: MXN
in_stock: true
reviews_count: 8
category: "Willow"
url: https://www.desertcart.mx/products/354626748-willow-breast-pump-sizing-insert-19mm-flange-inserts-improves-fit
store_origin: MX
region: Mexico
---

# 19mm precision fit Easy to clean, dishwasher safe Reusable silicone design Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct

**Brand:** willow
**Price:** $826
**Availability:** ✅ In Stock

## Summary

> 🍼 Pump smarter, not harder — fit that feels made just for you!

## Quick Answers

- **What is this?** Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct by willow
- **How much does it cost?** $826 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/354626748-willow-breast-pump-sizing-insert-19mm-flange-inserts-improves-fit)

## Best For

- willow enthusiasts

## Why This Product

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

## Key Features

- • **Hassle-Free Hygiene:** Dishwasher safe and easy to clean, keeping your pumping routine effortless and sanitary.
- • **Seamless Compatibility:** Works perfectly with 24mm Willow flanges and reusable containers for versatile use.
- • **Premium BPA-Free Silicone:** Flexible, skin-safe material ensures a snug, irritation-free pumping experience.
- • **Trusted by Thousands of Moms:** Join over 300,000 moms who rely on Willow for a superior pumping journey.
- • **Tailored Comfort for Smaller Sizes:** 19mm inserts optimize fit for moms under 21mm, enhancing comfort and milk output.

## Overview

The Willow Breast Pump Sizing Insert in 19mm is a reusable, BPA-free silicone flange insert designed to improve fit and comfort for moms with smaller nipple sizes. Compatible with 24mm Willow breast pump flanges, it enhances pumping efficiency and is dishwasher safe for easy cleaning. Trusted by over 300,000 moms, it offers a customizable, hygienic, and comfortable pumping experience.

## Description

desertcart.com : Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct : Baby

Review: love it - very well made, and exact fit, also comfortable and easy to wash
Review: Great for elastic nips - These work great for eufy wearable pump if you have elastic nips!!!

## Features

- Reusable Breast Pump Flange Inserts: Designed to help optimize comfort and output for moms who measure smaller than 21mm, Willow Breast Pump Sizing Inserts in 19mm offers the pumping convenience you deserve
- Comfortable, Silicone Design: Flexible, BPA free silicone provides a snug, secure fit; Dishwasher safe, flange inserts for Willow Breast Pump are easy to clean; Clear color provides easy nipple visibility
- Compatible with Any Breast Pump: Pair with 24mm breast pump flanges and reusable containers; Keep a spare set on hand to minimize washing between hands free pumping sessions
- Find Your Perfect Fit: Breast pump inserts are available in 5 sizes: 13mm, 15mm, 17mm, 19mm and 21mm; Reference Willow's size chart to determine your size for an optimal pumping experience
- Trusted and True: We recommend replacing breast pump flange inserts every 3 months for optimal performance; Join the 300,000 moms who have brought Willow into their homes and lives

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09B7WMGGQ |
| Additional Features | Reusable |
| Best Sellers Rank | #2,292 in Baby ( See Top 100 in Baby ) #33 in Electric Breast Pumps |
| Brand | Willow |
| Brand Name | Willow |
| Color | Clear |
| Customer Reviews | 4.7 out of 5 stars 1,458 Reviews |
| Included Components | Breast Flange |
| Is the item dishwasher safe? | No |
| Item Height | 5.7 inches |
| Manufacturer | Willow |
| Material | Silicone |
| Material Type | Silicone |
| Number of Items | 1 |
| Size | 19MM |
| Special Feature | Reusable |
| UPC | 858298006613 |
| Unit Count | 2.0 Count |

## Product Details

- **Brand:** Willow
- **Special Feature:** Reusable
- **Material:** Silicone
- **Included Components:** Breast Flange
- **Number of Items:** 1

## Images

![Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct - Image 1](https://m.media-amazon.com/images/I/31LUxe1lEfL.jpg)
![Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct - Image 2](https://m.media-amazon.com/images/I/41+Tfn3NCkL.jpg)
![Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct - Image 3](https://m.media-amazon.com/images/I/41sVQInUefL.jpg)
![Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct - Image 4](https://m.media-amazon.com/images/I/51hgimPoA7L.jpg)
![Willow Breast Pump Sizing Insert - 19mm - Flange Inserts, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange - 2ct - Image 5](https://m.media-amazon.com/images/I/71HR4gJZuJL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: Does it come with one or two?**
A: Two :)

**Q: Are these compatible with the Willow Go?**
A: Yes

**Q: Can I use these for the zomee z2?**
A: I don’t own the zomee but I have tried these with several different pumps and these inserts can pretty much fit universally into any 24mm flange.

**Q: I measured for a 17mm flange. According to the sizing chart I would order a 19mm. Is that correct?**
A: That is what I did and ir fit very well. I can use them in my willow go and my momcozy s12 pro!

## Customer Reviews

### ⭐⭐⭐⭐⭐ love it
*by C***E on January 7, 2026*

very well made, and exact fit, also comfortable and easy to wash

### ⭐⭐⭐⭐⭐ Great for elastic nips
*by C***O on November 19, 2025*

These work great for eufy wearable pump if you have elastic nips!!!

### ⭐⭐⭐⭐⭐ So comfortable!
*by J***8 on December 27, 2025*

These are by far the most comfortable inserts I’ve used. The silicone is super soft so it doesn’t give that pinching feeling. They fit my spectra and eufy pumps perfectly and collection cups for the spectra as well.

## Frequently Bought Together

- Willow Breast Pump Sizing Insert, 19mm, 2 Ct, Flange Inserts for Breast Pump, Improves Fit and Comfort for Breast Pumping Moms, Fits in 24mm Willow Breast Pump Flange
- Willow - 360 Breast Pump Flextubes - for Spare Use or Replacement Part for The Willow 360 or 3.0 Wearable, Hands-Free Breast Pump, Breastfeeding Essential for New Moms- 2ct
- Willow - 360 Pump Spill-Proof Breast Milk Bags - 48 Ct - Holds 4 oz. Per Self-Sealing Storage Bag - Compatible with Willow 360 or 3.0 Wearable Hands Free Breast Pump

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---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-20*